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Master Trainers

App Inventor Master Trainers have successfully completed intensive training with MIT on all aspects of using and teaching App Inventor. These Master Trainers are certified by MIT to not only teach MIT App Inventor, but to train others how to teach MIT App Inventor. Biographies, locations, and contact information are provided for those interested in working with the Master Trainer to bring MIT App Inventor to their school or organization.


Hong Kong


Carly Lam, Hunters Hill, NSW Francis Chan
Michelle Sun
Anqi Zhou
Samiya Nadaf, Singapore




Rosanna Kurrer, Hoeilaart Kerri Toft, Dublin Jose Luis Núñez Montes, Sevilla




Daniel Paz de Araujo, Campinas/ São Paulo Fabio D'Agnano, Venezia Chi-Hung Tseng, Taipei




Xiangqun Chen, Shenzhen Christophe Machtelinckx Tawan Thongpook, Chiangmai




Pierre Huguet, Paris Sjaak Bosman, Rotterdam Khoi Nguyen Tran Minh, Ho Chi Minh City

United States


Sarah Blanchette, Aptos
Abigail Joseph, Sunnyvale
Bryan Twarek, San Francisco


Yu-Chang Hsu, Boise


William Smith, Wagoner


Ann Root, Boulder


Yen Yen Lim, Westford
Mark Sherman, Boston


Suzan Dalgic, Austin
Akil Head, Houston


Pauline Lake, Hartford
Kristin Violette, Farmington


Sue Maddock, South Berwick


Richard Interdonato, Salt Lake City


Ryan Kinser, Tampa Bay
Lisa Saunders, Boca Raton


Natalie Binion, Farmington Hills


Maggie Oh, Bellevue


Krishnendu Roy, Valdosta

New York

Clark Hochgraf, Rochester
Hak J. Kim, Jericho
Yvon Morin, Brooklyn
Kelly Powers, Scarsdale


Sarah Blanchette is a middle school teacher from San Jose, California. She started as a science teacher; when she saw the need for and the benefit of robotics and computer programming classes, she jumped in with both feet.

Sarah started with Lego Mindstorms robots and its simple block programming. Through the Project Lead the Way program, she then added VEX robots with its RobotC programming language. Now she is having a hoot expanding the line up to include MIT App Inventor.

Address: Aptos, CA
Email: sblanchette0{at}
Phone: 831-229-6771

Natalie Binion is a Telecommunications Specialist working in the Central Office at AT&T in Michigan. She has a passion for knowledge and for helping other to be successful. Natalie learned how to build Android mobile apps through AT&T’s ASPIRE Inspire Mentor (AIM) program initiative hosted by Organization of Asian Indians (OASIS). The training was instrumental in teaching her how to make Android mobile apps. As part of the program, she agreed to complete 20 hours mentoring others to make their own apps. Natalie chose to mentor to mentor teenagers and began conducting classes that were set up by herself and school officials. The classes were so successful and in in such high demand that after her 20-hour commitment was complete, she decided to give back to the community to teach classes. Natalie has held many local workshops and has accepted invitations to travel to other cities as well.

Natalie has degrees in electronics, electrical engineering technology and information systems. She is excited to be a part of the MIT App Inventor Team and looking forward to working further with educators!

Address: Farmington Hills, MI


Sjaak has a bachelor degree in electronics and is a software designer and OpenVMS systems manager since 1984. In 2005 he graduated as a certified Java programmer at the Dutch Open University. As a teacher he taught adults to become OpenVMS and ALL-IN-1 (both originally Digital Equipment Corporation) systems managers and programmers. In 2012 Sjaak started the project Walk the City and built the Android version with App Inventor. In 2016 he participated in the MIT Master Trainers Program In Educational Mobile Computing to become a certified professional in mobile computing education using the MIT App Inventor platform. Since then his motto is “Computer Science For All”.

Address: Rotterdam, Netherlands



Francis is the Director, Group Human Resources (Projects), responsible for HR analytics, systems, and infrastructure, at Esquel Group, a leading textile and apparel manufacturer with operations throughout the world.

Prior to Esquel, Francis spent over a decade with human capital management solution providers, and has extensive experience helping organizations of all sizes improve employee and organizational performance. In his early career, Francis worked for technology start-ups in the San Francisco Bay Area in software engineering roles. Francis is passionate about combining these experiences, leveraging human capital management systems and processes, and promoting computational thinking, to unleash human potential of employees and youth.

Francis holds a BS and MS in Computer Science from UC Berkeley. He also has an MBA from the Haas School of Business at UC Berkeley, and an MSc in Strategic Human Resources Management from the Hong Kong Baptist University.

Address: Hong Kong


Xiangqun Chen has taught Computer Science and Information Technology for more than 20 years in high school. Her professional title is senior teacher. She serves as Deputy Director of the Information Center as well as leader of the Technology Department in No. Three Senior High School of Shenzhen. Her duty is to maintain the current school system and guide the teaching of Computer Science and Information Technology. She is also a member of K-12 Information Technology Centre Group of Shenzhen municipality.

Chen has organized Robotic and App Inventor clubs in her school. Her students have won many awards in city, province and nationwide contests. As a passionate educator, she has taken advantage of many outreach programs like, App Inventor, Scratch, Virtual Robotic to increase girls' participation in computing. Chen has applied to host a Google CS4HS workshop for local K12 teachers successfully. Her workshop will be held in June, 2016. The training subject is MIT App Inventor.

Address: Shenzhen, China


Fabio D’Agnano has worked with three-dimensional modelling and rapid prototyping for more than twenty years. He specializes in project communication and 3-D modelling and prototyping for architecture, Arduino and Digital Fabrication. He is co-curator of the Educational Projects / Call for School of the European Makers Faire Rome since the first edition of the Call for School. He is Director at the Digital Architecture Post-graduate Master's Course, and he teaches Three Dimensional Modelling and Representation at the Architecture University of Venice: He is a consultant for Triennale di Milano, as technology expert for the XXI exhibition- New Craft. He is also a consultant for the "Fondazione Nordest" in the project fablab@scuola. The project aims to bring fablabs to high schools in northern Italy: He is founder and partner of Tooteko, a system that combines 3d printing and electronic sensors in order to let blind and partially sighted people perceive the works of art: He has been part of the Samsung App4Kids Program in Venice (IT), aimed to teach how to program with App Inventor. He is partner and manager at Glass Architettura Urbanistica Engineering. With this firm he managed many projects around the world and won several international competitions: He also authored the handbook “3d Max per l’Architettura” (Apogeo Editore, Milano, 2006) that sold more than 10.000 copies.

Address: Venice, Italy


Suzan Dalgic is a Computer Science teacher at Harmony Science Academy in Austin, TX. Suzan has been teaching Computer Science and Technology Applications for 6 years. She was also IT Manager for past 4 years. She did FLL and VEXIQ middle school Robotics and attended to the competitions with her students for 4 years. They had 1st place, 2nd place, and robot design prizes and advanced to the regional championship. Currently, Susan is teaching Mobile App Development with MIT App Inventor, Web Design, Computer Science, AP Computer Science courses and she has Advanced Mobile Application and Electronics club. She takes her students to the programming contest and she does STEM projects with her students. She has registered to MIT APP Inventor Master Trainer Program and became a Master Trainer for MIT App Inventor.

Address: Austin, TX

Address: Houston, TX


Clark Hochgraf, Ph.D., uses MIT App Inventor to teach design thinking and making skills to students at the Rochester Institute of Technology. He finds joy in making technology accessible and useful to more people. As associate professor of electrical engineering technology at RIT, he teaches digital signal processing and microcontrollers using a hands-on, learn by building approach. He works with community organizations such as Rochester Roots and Rochester Makerspace to promote youth wellbeing and technology education by connecting college students to community members in service learning projects.

Clark is a maker who has built electric go-carts, scooters, bikes, hybrid automobiles and co-launched the first solar-charged, student-designed college campus electric bike share in the US. He holds 12 US patents ranging from Megawatt-scale power inverters to hydrogen fuel cell membranes. Before teaching, he worked 11 years in industry as an engineer for Westinghouse, Ford/Visteon, and General Motors R&D. His current research is on using smartphone technology to prevent automobile crashes. For fun he builds Arduino powered spiro-graph drawing machines.

Address: Rochester, NY


Dr. Hsu is Associate Professor of Educational Technology at Boise State University, and teaches graduate courses on graphic design, mobile app design, and maker tech for STEAM education. His research interests include mobile app programming, physical computing, collaborative learning, and computational thinking. Dr. Hsu is an App Inventor Summit invited speaker from 2012 to 2014. He designed and taught online graduate courses on mobile app design since 2011. He also offered summer courses on mobile app design to Idaho TRiO students (low income, first generation pre-college students) since 2012. Dr. Hsu's graduate students from his mobile app design class and submitted their final projects for a competition won the first and second place in 2012 MIT App Inventor App Contest for their creativity, interface design, and the educational values of the mobile apps. His recent grant award (2015-2017) funded by the National Science Foundation focuses on helping STEM major students integrate trigonometry in mobile app programming.

Address: Boise, ID


Pierre Huguet started teaching computer science to middle and primary schools students in 2015 within a Non Governmental Organization acting towards digital literacy in geographic areas where it lacks support. He is a physicist in fluid mechanics from Ecole des Mines, with secondary master degree in history of sciences at CNAM. He has been responsible for meteorology and digital mapping programs and R&D, member of the national met office scientific committee and vice chair of a NATO meteorological working group.

Pierre is now involved in programs to help teachers use computers as tools for their students to become active members of the digital world and better understand other disciplines such as physics. He intends to train teachers and experiment with them how students can connect sensors, algorithms and actuators, relate observation to theory and how to trigger students’ interest in physics.

Address: Paris, France


Rich Interdonato, PhD, teaches about device mediated health behavior change as an Assistant Professor in the Department of Health Promotion and Education at the University of Utah. He has been training students to use free Internet tools for Health Promotion and Education since 2011, and to develop mobile health apps with App Inventor since 2013. In 2012 Rich was awarded funding to develop an online, Applied Health Technology course series that featured app development with App Inventor, and in 2014 the App Inventor course was designated as fulfilling Utah’s undergraduate Math credit requirements. Rich has taught App Inventor development one-on-one using the Google Helpouts platform, and has presented at the University, State, and National levels to encourage non-programmers to use App Inventor to solve personally meaningful problems.

Address: Salt Lake City, UT

Phone: 1-801-987-0606


Dr. Abigail Joseph has an extensive background in the innovation and application of technology as an agent of change. Her commitment to educating youth began in California’s Silicon Valley in the MESA Center and classrooms at Cabrillo Community College, after school programs in Oakland and Richmond, and serving as Faculty Advisor at the National Youth Leadership Forum on Technology . Her journey as an educator continues in the San Francisco Bay Area, where she has spent the past five years developing computer science programs at Bay Area schools and working as volunteer for Black Girls Code. She currently works as a PK-12 Computer Science Teacher at The Nueva School in HIllsborough, CA, where she continues to develop her interests in educating youth in the intersection of Design Thinking, Computer Science, Art, and Social Justice. Abigail always looks forward to the innovative spirit that Verizon Innovation App Challenge brings, and is excited to again facilitate meaningful change as mentor to a winning team. She holds a B.S.E in computer science from Princeton University and a M.S./Ph.D. in computer science from the University of California at Santa Cruz.

Address: Sunnyvale, CA


Hak J. Kim is an associate professor of the Department of Information Systems and Business Analytics (IS/BA) in the Zarb School of Business at Hofstra University. He earned a Ph.D. in information systems from the University of Pittsburgh. Dr. Kim's research includes mobile location-based services with mobile app, big data analytics in social media, cyber security in cloud computing, and digital forensics. He is currently building the real-time location tracking and positioning system using wireless networking and mobile apps. This system can be integrated into a hospital management system and will provide relevant information across the hospital to support effective decision making for patient care, and hospital administration. Dr. Kim has a strong interest in pre-college (K-12) education. He has organized a mobile app summer camp for students and teachers to learn how to program mobile apps and games in their smartphones and tablets.

Department of Information Systems and Business Anlytics
Zarb School of Business
Hofstra University
Address: Hempstead, NY

Phone: 1-516-463-4529


Ryan Kinser is an Instructional Technologist at The Out of Door Academy (ODA) in Sarasota, Florida. He also teaches high school students online at Florida Virtual School. Ryan helps teachers innovate, and he works to connect students with real-world projects. He sees App Inventor as an exciting way to develop students and teachers as Makers.

As a former teacher advisor to the Bill and Melinda Gates Foundation, the Center for Teaching Quality, the Teaching Channel, and Hillsborough County, Florida, Ryan advocates for hybrid teaching roles called Teacherpreneurs, which encourage teacher leaders to advance their profession without completely leaving the classroom. His primary interests are online learning, teacher professional development, and design-thinking in STEM education. A Google-certified Teacher (Level 2) and 2016 PBS Learning Media Digital Innovator who has taught students of all levels and ages, Ryan offers schools and organizations professional development focused on prototyping with AppInventor in any subject.

Instructional Technologist, The Out of Door Academy
Instructor, FLVS
Address: Tampa Bay, FL

Twitter: @ryankinser
Phone: 1-813-438-2460 (call or text)


Rosanna is Cofounder and Digital Literacy Lead at the Digital Leadership Institute (, a Brussels-based, international NGO whose mission is to bridge the gender gap and digital divide worldwide. She is an Architectural Engineer by training and holds a Masters Degree in Building Physics from Kyoto University in Japan. Rosanna is an experienced CAD designer and cut her teeth on Fortran programming to model building heat transfer. For the past several years, Rosanna has led development of innovative, hands-on curricula to promote uptake of digital skills, particularly among girls and women. As Community Manager at DLI, she regularly leads hands-on, fun and result-oriented workshops in the areas of computer programming, data visualisation, and 3D design.

Her passion is to make everyone understand that digital skills, computer programming and mobile app development are powerful tools for solving real-world problems.

Address: Hoeilaart, Belgium


Carly has B.S. degree in Computer Science from University of New South Wales Australia. She has 10 years of commercial experience working on software solution, e-Commerce portals and mobile applications development. Carly is the director of CS One Academy, an academy that offers school holiday coding programs to primary school students. She is involved in designing the curriculum for web development and mobile applications development programs using MIT App Inventor. She facilitates coding lessons to ensure students are engaged throughout the program. Her goal is to engage children in the world of computer science as creators rather than just consumers, and at the same time spark their creativity and develop their problem-solving and critical-thinking skills.

Address: Hunters Hill, Australia


Pauline Lake is the Mobile Computer Science Principles (Mobile CSP) project’s Teaching Consultant -- i.e., she visits all of the teachers in the classroom, helping with technical issues and with instruction. Mobile CSP is an NSF-funded effort to train high school teachers to teach the emerging AP CSP course that engages students in building mobile apps with App Inventor. Pauline is the project’s full-time staff person and is closely involved in all aspects of the project, including the curriculum, assessment, and teacher training. A 2013 graduate of Trinity College with a double major in Computer Science and Educational Studies, Pauline has been teaching App Inventor to middle- and high-school students in the Hartford area since 2010. She has also taught two semesters of the Computing with Mobile Phones course at Trinity College. Pauline currently serves as the Secretary of the Connecticut Computer Science Teachers Association as well as Secretary of Random Hacks of Kindness Jr which promotes 4th-8th grade students coding for a social good with App Inventor.

Address: Hartford, CT


Address: Westford, MA


Christophe Machtelinckx is a Computer Science Teacher at the High school Michel Lucius in Luxembourg City. He teaches mainly programming languages like Java, Scratch and MIT App Inventor. He also offers after school programming sessions while developing mobile Applications for Android Phones. He has a B.S. degree in Management and Computer Science from the University of Luxembourg and a M.S. degree in Computer Science and as Pedagogy trainer from the University of Luxembourg. When not teaching he enjoys running and mountain biking in the nature.

Address: Luxembourg


Sue currently teaches math and computer science at Berwick Academy, a college preparatory school in southern Maine. In over thirty years of teaching her courses have included AP Computer Science as well as electives based on robotics, app development, Visual BASIC, C++, Pascal, and long ago, Logo. Her classroom focus is learning-by-doing. The joy she witnesses as students conceptualize and realize programming projects reinforces her own love of computer science and the belief that all students should experience this way of thinking. She is particularly interested in encouraging young women to challenge themselves in this realm. When not in the classroom, Sue can be found in hiking with her camera, biking, or baking with chocolate.

Address: South Berwick, ME


Yvon is a math and technology teacher at IT TAKES A VILLAGE ACADEMY, in Brooklyn, NY. He also runs an after-school club where he coaches students who join the robotics team for the FTC competition. During club hours, He teaches technical and mechanical design that leads to building robots that will later be programmed using the MIT App Inventor programming platform. Yvon also teaches robotics to juniors and sophomores using Legos NXT and the RobotC programming language. He will be implementing a new curriculum about AP Mobile Computing with App Inventor, a two-year curriculum that will get sophomore students to be ready to take the AP exam at the end of their junior year as part of their college or career readiness.

Address: Brooklyn, NY


Samiya is a Coding Instructor teaching programming at First Code Academy, She is a passionate educator who is teaching young kids how to program using platforms such as Hopscotch, Scratch and MIT App Inventor to name a few. She also runs MIT App Inventor workshops for various primary and secondary schools in Singapore. She is actively involved in exploring and learning emerging coding platforms suitable for young learners and designs curriculum materials for the same. Prior to teaching, Samiya worked as a Software Engineer at Panasonic, Analog Micro Devices and Kenwood. She has a Bachelors degree in Electronics and Communications Engineering, an Advanced Specialist diploma in Embedded Systems and a recently acquired International Baccalaureate in Teaching and Learning (PYP). When not teaching, she enjoys spending time with her children, watching movies and baking.

Address: Singapore


Khoi Nguyen / Tony Nguyen had been serving as a programmer, teaching assistant, researcher and college administrator in British, Australian and Vietnamese educational settings for well over a decade. He has received his Bachelors and Masters degree in Australia from Southern Cross University and Swinburne University of Technology respectively. He is currently a lecturer teaching Software Engineering, Cloud Computing, Web Development and Android App Development using App Inventor at Hoa Sen University, Ho Chi Minh City, Vietnam. He is running a weekly App Inventor, LEGO Mindstorms, Arduino, and IoT workshop at the university where all students, including non-CS majors, appreciate the beauty of these technologies as well as develop computational thinking. Using App Inventor together with other technology, he is in the process of creating real-world projects and of documenting them as advanced App Inventor tutorials. Being a NAATI accredited Translator (Professional Level), he is translating App Inventor materials into Vietnamese. Trusting that English and IT can change life, he helps Charitable & Non-profit Organizations develop software, teach English and deliver IT training (basic IT skills, Microsoft Office and App Inventor) for underprivileged children and youths. He would love to share his passion for teaching App Inventor and welcomes all collaboration opportunities.

Hoa Sen University
Address: Ho Chi Minh City, Vietnam




Jose Luis Núñez is a secondary school computer science teacher, IT coordinator at the IES Isbilya in Seville, certified pentester and an enthusiast of using IT for education.

He started his professional career as a teacher when he finished his Computer Science Engineering studies at the University of Seville. He subsequently participated in several projects as a web developer, system administrator and specialized in the field of computer network security for several years. In 2003, he received an award from Schlumberger Sema for his academic record at the University of Seville. He then started his doctoral studies in Industrial Computer Science Engineering and in Telecommunications Engineering at the University of Sevilla. At the same time, he worked on other projects based on computer networks, database management systems, web development and computer security audits. He went on to work for the government of Andalucia for four years in the Consejería de Educación, combining his independent research with his work in the Dirección General de Planificación. As certified pentester, he has taught Train the Trainers courses in the computer security field. Recently, he has helped to organize OWASP Sevilla, a project promoting software security development in his community.

Presently, he is involved in mobile programming and its potential use for education, combined with his daily teaching responsibilities.

Address: Sevilla, Spain


Udemy Course: : Curso de App Inventor 2 (in Spanish)


Maggie Oh is currently working at NVidia Corporation as a Lead VFX Artist on an unannounced project. Previously she has worked as a pipeline programmer, techArtist, and program manager in different departments at Microsoft, including HoloLens, Project Spark, Halo 5, and Halo 4. Before working on games, Maggie was in the VFX film industry for almost a decade at places like Industrial Light and Magic (ILM), Pixar, and the planetarium at California Academy of Sciences. She also had a radio show for four years in the Boston area, and has worked as a professional DJ. She holds a B.Sc. degree in Computer Science and Electrical Engineering from MIT, and was an MFA candidate at Academy of Art University.

Address: Bellevue, WA


Daniel Paz de Araujo has a Bachelors in Computer Science, Master of Science in Intelligence Technology and Digital Design and is a Ph.D. candidate in Visual Arts. Daniel's research is focused on educational technologies, interaction design, visual arts, collaboration and accessibility. He teaches graduate and post-graduate courses about programming, web design, mobility solutions, convergent networks, educational technology, and digital games.

Address: Campinas/São Paulo, Brazil

Phone/WhatsApp: +55 (11) 98144-4541


Kelly Powers recently joined Education Development Center to work on the MassCAN state-wide Massachusetts initiative to assist teachers and districts with designing an implementation plan to bring Computer Science into their k-12 curriculum. She has taught Computer Science for the past 15 years and served as Computer Science Department Chair and curriculum leader at the Advanced Math and Science Academy, grades 6-12. Prior to teaching, Kelly worked as a large systems computing specialist for IBM, John Hancock, and Harvard University. Kelly co-founded the Greater Boston Computer Science Teachers Association Chapter in October 2010 and is an active advocate for CS in the state.

As a passionate educator, Kelly’s goal is to engage all students in the joy of learning , to think computationally and build student’s confidence in solving problems. In particular, Kelly has taken advantage of many outreach programs to increase girls participation in computing. This is her third year serving on the AITC team.

Address: Scarsdale, NY


Ann is in her 9th year of teaching. She teaches Computer Science and Engineering at Centaurus High School in Colorado. She started her teaching career in Bratislava, Slovakia teaching IB Chemistry and IB Math at a K-12 international school. She hung up her chemistry beaker upon returning to the U.S. and has taught math and/or AP Computer Science since then. Prior to teaching, Ann worked as a software engineer for nearly 10 years at Xilinx and Intel. She has a B.S. degree in math and computer science from Purdue University and a M.S. degree in Computer Engineering from the University of Colorado. When not teaching, she enjoys trail running with her dogs, reading, gardening and traveling.

Address: Boulder, CO


Krishnendu Roy is an associate professor of computer science at Valdosta State University (VSU), a public regional university in South Georgia. At VSU Krishnendu has organized computing summer camps for local middle and high school students for the past five summers. In these camps students are exposed to computing (often for the first time) through activities using novice programming environments like App Inventor, Scratch, Lego NXT, and Alice. Krishnendu has also organized Google CS4HS workshop for local K12 teachers in 2012 and 2013 where the teacher were involved in computing related activities. Krishnendu teaches a CS0 course at VSU using App Inventor and has created several introductory video tutorials on App Inventor that are available on YouTube. He is interested in developing instructional resources for novice programming environments like App Inventor for various outreach activities. Prior to joining VSU, Krishnendu completed his MS and PhD from Louisiana State University and BS from University of Calcutta, India.

Address: Valdosta, GA, GA


Lisa Saunders is Computer Science Specialist for the Pine Crest School in Boca Raton Florida. She has been an educator for eight years and currently teaches computer science to grades 6-8. She has designed and implemented CSTA standards based curriculum for middle school students using MIT App Inventor 2, Robotics and Arduino programming. She is also responsible for designing and presenting professional development for faculty with a focus on enhancing core curriculum with computer science. Prior to teaching, she was a software engineer for Motorola specializing in communication and operating system software.

Address: Boca Raton, FL

Twitter: @lsaunde6


Mark has worked with teacher and students of all ages, helping them learn about engineering, robotics, and computer science. He has run workshops is India, China, and many sites in the US. Mark is a doctoral candidate in Computer Science specializing in CS Education research at UMass Lowell, where he also teaches undergraduate introductory and language courses. He has prepared teachers for using Scratch, Snap!, MIT App Inventor, and the Beauty & Joy of Computing curriculum in their classrooms. Mark is also into rock climbing and helps run a Boston-area community theater company.

Address: Stoneham, MA


Dr. Smith is an Associate Professor of Computer Information Systems at Tulsa Community College in Tulsa, OK where he has taught for 22 years. He is the founding and lead instructor for the college’s Associate's Degree in Mobile Application Development in which students develop apps for iOS and Android Phone Platforms. He also teaches introduction to programming topics for Union Public Schools’ Collegiate Academy and has been asked to develop mobile development classes for Tulsa Public Schools’ EXCELerate program as well as TCC’s summer College for Kids camps. He is also an adjunct instructor at Oklahoma State University and Nova Southeastern University.

Address: Wagoner, OK


Michelle is the CEO and cofounder of First Code Academy, an education startup that teaches coding to kids from six and above. In addition to running First Code Academy, she is also passionate about women entrepreneurship and empowerment, cofounded a community for women in technology, Women Who Code (Hong Kong chapter). Prior to starting First Code, she graduated from the inaugural class of Hackbright Academy, and held various technical roles in high growth startups in Silicon Valley, including as the first growth hacker at Buffer and Bump Technologies (acquired by Google in 2013). Born and raised in Hong Kong, she graduated from the University of Chicago and began her career at Goldman Sachs as an equity analyst.

Her work has received international and regional accolades including the BBC 30 Under 30 Women Entrepreneurs in 2015, Women of Hope Award (Entrepreneur Category 2015) and (Tech Category 2014) and American Chambers Women of Influence Awards (Young Entrepreneur Category 2015).

Address: Hong Kong


Address: Chiangmai, Thailand


After completing an undergrad in Philosophy, Kerri worked in Law and went on to work in EFL and intercultural consulting in Latin America and Asia. After returning to Ireland she completed an MSc in Computing and now works as a thick data consultant and App Inventor trainer while developing her research. Her research interests include: Transdisciplinarity, Learning, Human-Computer-Interaction, Cognitive Ethnography, Activity Theory, curriculum development, innovation, and policy formation.

Address: Dublin, Ireland


Chi-Hung Tseng (David), is the founder of CAVEDU Education and App Inventor TW, Taiwan. Devoted to robotics education and the maker movement, David and his partners are intensively active in teaching fundamental knowledge and skills. He has published many books for students of all ages, on topics including App Inventor, Robotics (Lego, Arduino / Raspberry Pi) and IoT. David is an EE PhD candidate of Tamkang University, Taiwan. Please check CAVEDU's website for more tutorials, resources and inspiration:,

Address: Taipei, Taiwan


Bryan Twarek ("BT") is the computer science coordinator for the
San Francisco Unified School District (SFUSD), where he is working to expand CS instruction to all students and all schools within San Francisco public schools (see He oversees policy, curriculum development, and professional development.

Previously, he worked as middle school dean, teacher, and technology integration specialist. BT graduated from Yale University with a degree in psychology and human neuroscience. He earned his master's degree in urban education policy and administration from Loyola Marymount University.

BT is a facilitator, thought leader, and writer for the K-12 computer science framework, and a writer on the Computer Science Teachers Association (CSTA) K-12 standards revision task force. He also serves as a board member for Computer Using Educators (CUE) San Francisco.

Address: San Fransisco, CA


Kristin Violette is a teacher of Computer Science at Newtown High School and Manchester Community College in Connecticut. Kristin is certified in Technology Education, English, TESOL and CWE-DO. At the high school, Kristin teaches Web Design, CT Innovation Academy, AP Mobile Computer Science Principles and MIT App Inventor. She also offers courses in App Inventor at Tunxis and Manchester Community Colleges. In addition she has run several Mobile App Academies at for CPEP, Catalysts Powering Educational Performance, a non-profit agency supporting under-represented youth in STEM. Over the years, Kristin participated in the MIT App Inventor Summit and has presented on mobile app curricula at the CSTA Annual Conference.

Address: Farmington, CT


Anqi Zhou (Angie) has been teaching computer science and programming to teachers and students aged six to 16 since 2014. Her teaching tool ranges from the App Inventor, Scratch, HTML/CSS/JS, Python and many others. Angie’s focus is in designing fun and inspiring learning experiences for students, both in delivering after school computer science workshops as well as in incorporating programming in other school subject classes. Angie is also developing physical games and tools to help teaching computational thinking and critical thinking skills.

Angie graduated with a Bachelor’s degree in Engineering from the University of Cambridge.

Address: Hong Kong and Shenzhen, China

Phone (Hong Kong): 852-5410-0622
Phone (China): 86-135-3802-6125