Innovation Employee productivity Podcast From high school teacher to Citi's innovation head By Penny Crosman May 25, 2021 9:34 AM Facebook Twitter LinkedIn Email The lessons Vanessa Colella learned teaching biology and earth science to junior high school students have helped her in her roles of chief innovation officer, head of Citi Ventures and head of productivity at the New York bank. Penny Crosman Executive Editor, Technology at Arizent, American Banker twitter mailto linkedin