After graduating with a computer science degree from MIT, Jenny Cheng has engineered new strains of E. coli, built mobile apps for Harvard Medical School, and doodled cartoons for her blog, Caret Dash Caret. She currently lives in Brooklyn and changes the way glasses are designed and sold at Warby Parker. She loves 3D printing, open source projects, and helping out with the local Pyladies chapter, whenever possible.