Now the CEO of bitly.
Zenbe Co-founder Peter Stern previously created Datek Online, a pioneer in online financial services. Peter led its growth to one of the four largest online brokerage firms before merging with Ameritrade in 2002.
| Company | Date | Round | Size | Participants |
| Knewton | 4/09 | Series B | $6M | 6 |
| Knewton | 5/08 | Series A | $2.5M | 10 |