Keith Schacht (born 9 December 1979) is an American entrepreneur and angel investor. He is the CEO and co-founder of Mystery Science and is on the board of directors of eSpark Learning. Schacht is a named inventor on 9 patents. Early in his career he was named one of the top 20 entrepreneurs under 25 by BusinessWeek. He has been a speaker at the TED Conference and has been featured in the Wall Street Journal, Forbes, Fortune, and Wired.