Founded or Co-Founded
- Loudfire, (acquired: now part of Nokia);
- Powerset (acquired: now part of Bing);
- Virgance which spawned;
- 1BOG (NEA funded);
- Carrotmob.org (non-profit); and
- GreenOptions (acquired: now part of Important Media)
Steve's equity portfolio includes:
- Serious Business (acquired: now part of Zynga);
- Greplin;
- FastIP; and
- Crowdflower.