- Worked at Bessemer Venture Partners making early-stage investments, including the lead investment in the Series A of Skype.
- Designed and programmed multimedia web applications, including the original version of Oddcast's talking avatar software, and the karaoke software that became kSolo, later acquired by MySpace/Fox.
- Co-head of R&D at Arbitrade, a hedge fund focusing on high speed options trading (acquired by Knight Trading Group and eventually Citigroup).