Mark Rober is an American YouTuber, engineer, inventor, and educator. He is widely recognized for his YouTube channel, where he creates videos on popular science and do-it-yourself gadgets. Before his career as a YouTuber, Rober held significant engineering roles at NASA and Apple, and later founded his own companies.
Rober began his engineering career at NASA's Jet Propulsion Laboratory (JPL) in 2004, where he worked for nine years.