Studies in Computer Science, MIT. Took a leave from school to form Accolade, an online SAT prep start-up. Worked as a software engineer, Bit9. After graduation, recognized that people needed a way to bring their files with them without sending e-mail attachments or carrying USB drives. 2007, began writing a solution, leading to the foundation with Arash Ferdowsi of Dropbox; current Chief Executive Officer; has led Dropbox's growth from a simple idea to a service relied upon by millions. Named one of the top "Twentysomething Entrepreneurs", Businessweek. Included in Fortune's “40 Under 40” list and Inc. Magazine's “30 Under 30”.