A leader in the DIY movement, Bre Pettis led MakerBot as CEO from its beginning in 2009. Now, as creator of Bold Machines: The Innovation Workshop at Stratasys, he’s pushing 3-D printing into striking new directions. Pettis has a long history of making things and inspiring others to make things. Prior to cofounding MakerBot, Pettis cofounded the Brooklyn hacker collective NYC Resistor, where MakerBot technology was first concocted, tested, and proven. He was also an art teacher in the Seattle public school system.