Mark Rober

Mark Rober is an inventor, engineer, and science creator who has built one of YouTube’s largest science-focused audiences, with over 84 million subscribers and 19 billion views. He spent nine years as an engineer at NASA’s Jet Propulsion Laboratory, including seven working on the Curiosity rover, and later served as a product designer in Apple's Special Projects Group. His videos bring science and engineering to life through humor, experimentation, and elaborate builds, including his viral Backyard Squirrel Maze series. Mark co-founded CrunchLabs, an educational technology company that inspires young people through hands-on science kits. In 2025, he joined MrBeast to launch the $40 million #TeamWater campaign to expand access to clean water worldwide. He also hosts SCHOOLED!, an upcoming Netflix science and engineering competition series for young people.

CrunchLabs

Founded in 2022 by Mark Rober, CrunchLabs is an educational technology company that teaches people of all ages to think like engineers. Through monthly subscription kits and educational videos featuring Mark, participants build toys, experiment with scientific principles, and learn how things work. Programs range from creative projects and hands-on engineering to robotics and coding. Based in Sunnyvale, California, CrunchLabs aims to make science and engineering engaging and accessible through the experience of building and exploring.