Gail Mittan


A superb, dedicated, educator in elementary schools for over 40 years, Gail uses her extensive experience to ensure that all content is designed to maximize our goal - to help children unlock their natural creativity and stimulate critical thinking while having fun. When she isn't busy creating delightful content with David at MakeThinkers, Gail enjoys spending time with her six grandchildren in New Jersey and continues to teach. She is also passionate about competing in walking races, crossword puzzles and gourmet cooking.

Our Team

​Here's why we love what we do!

Sahngmie Lah Graven


After growing up in southern California, Sahngmie earned a B.A. in English from Harvard before promptly moving overseas to feed her love of teaching and travel. She lived in cities like Seoul, New York, Paris, and Shanghai, where she spent over a decade connecting with students, refining her craft, eating amazing food, and traveling every chance she got. In addition to her teaching experience, Sahngmie holds an M.A. in education from Columbia and remains passionate about both literature and education. When Sahngmie isn’t busy using her global background in education to provide meticulous editing and superb content advisory at MakeThinkers, you can find her working as a freelance writer and editor in Raleigh, North Carolina, where she loves spending time with her husband and three children.

David Mittan


David was born in South Africa and he has lived in the US for almost 20 years. He is an avid cross-training fan, a voracious reader, loves learning new languages and playing chess. David holds three degrees, including an MS from UT Austin and an MBA from MIT. He is a lifelong learner with interests in finance, human health, robotics and the future of education. He's also a highly experienced investor who enjoys solving problems. When he isn't busy sharing MakeThinkers with parents and educators across the world, David can be found spending time with his family, playing soccer with his two daughters or strumming the guitar.

Our Team

​Here's why we love what we do!