| Stanford University, MBA | |
| MIT, BS | |
| Mathematics with Computer Science |
Ariel is the CEO of TextMarks, and has been involved with a number of successful internet start-ups. He was the founder and CEO of IPRO, and founder and CEO of Topica, a leading provider of email publishing and lead management solutions. Ariel was founding board member of Kana Software, a pioneering provider of CRM solutions, he was founding Chairman of LinkExchange (now Microsoft’s bCentral service for small business marketing); and he was a board member of Silicon Investor (now part of InfoSpace). Ariel currently serves on the board of directors of Bills.com, a provider of consumer debt resolution and lead generation services, LOLapps and SpeedDate
| Company | Date | Round | Size | Participants |
| Realty Nation, Inc. | 10/09 | Angel | 3 | |
| LOLapps | 9/08 | Series A | $4.5M | 3 |
| SlideShare | 5/08 | Series A | $3M | 8 |
| WeGame | 3/08 | Series A | $3M | 5 |
| SlideShare | 1/08 | Seed | 4 | |
| Seesmic | 11/07 | Series A | $6M | 13 |
| DanceJam | 5/07 | Angel | $1M | 8 |
| Xobni | 3/07 | Series A | $4.26M | 6 |
| SpeedDate | 1/07 | Series A | $2.6M | 2 |
| Badongo.com | 2006 | Series A | 15 | |
| Odeo | 8/05 | Series A | 16 |