After graduating with a masters degree from MIT’s Media Lab in 1995, David co-founded Firefly, an early pioneer in personalization and privacy technology. Firefly was acquired by Microsoft in 1998 where the company’s flagship product became the Microsoft Passport, the web’s first unified authentication and identity platform. After Firefly, David co-founded PeoplePC, a company dedicated to simplifying the process of joining the online world. PeoplePC served over 600,000 individual subscribers as well as Fortune 100 corporations such as Ford Motor Company, Vivendi Universal and Delta Air Lines. PeoplePC went public in 2001 and was acquired by Earthlink in 2002. In 2005, David co-founded SpotRunner, a Los Angeles-based technology company that worked to revolutionize the way advertising was created, planned, bought and sold.