STEPHEN R. FOSTER, PHD, is a researcher, author, and co-founder of several social enterprises with a mission to teach teachers how to teach coding. An expert in video game end-user programming and computer science education, Stephen has coded to generate peer-reviewed scientific results, coded to build educational technology solutions for teachers and students, and coded to bootstrap educational startups and non-profit organizations.
LINDSEY D. HANDLEY, PHD, is a teacher, researcher, entrepreneur, author, and co-founder, with Stephen Foster, of ThoughtSTEM and MetaCoders.org, which have helped hundreds of thousands of beginning coders. She is a passionate advocate of both using science to improve education and of improving the teaching of science worldwide.