http://www.dropbox.com
Bootstrapped online SAT prep company while in college. Was ramen profitable, so to speak, but more importantly a great introduction to the wild world of starting companies.
Technical lead on a bunch of interesting Windows internals-related projects for Bit9's application whitelisting product.
Total Funding: $30M
Total Funding: $25M
Total Funding: $77M
Total Funding: $6M