Sam Altman is co-founder and CEO of Loopt, a company that builds mobile applications to help people enjoy the friends, places, and events around you right now. Sam sees mobile location as helping to make serendipity happen, completely transforming how people can and will communicate on their mobile devices.
Since starting the company in 2005 while studying at Stanford University, Sam has consistently been recognized for his entrepreneurship. He was featured in Inc. Magazine’s Top 30 Entrepreneurs Under 30 and BusinessWeek’s Tech’s Best Entrepreneurs. As an early innovator in mobile location services, Sam joined Apple CEO Steve Jobs on stage at WWDC 2008, presenting Loopt as one of the first applications in the iPhone App Store. Sam has been a valuable source for many media outlets including Charlie Rose, CNN, The Economist, New York Times, Wall Street Journal and numerous others. Additionally, he is a part-time partner at Y Combinator, and advises a number of Silicon Valley startups.
| Company | Date | Round | Size | Participants |
| PlanGrid | 5/12 | Seed | $1.1M | 8 |
| Exec | 5/12 | Seed | $3.3M | 12 |
| Priceonomics | 5/12 | Seed | $1.5M | 29 |
| Couple | 5/12 | Seed | $4.2M | 12 |
| Custora | 1/12 | Seed | 8 | |
| Science Exchange | 12/11 | Angel | $1.5M | 12 |
| MemSQL | 7/11 | Seed | $2.1M | 15 |
| Optimizely | 3/10 | Angel | $1.2M | 20 |
| CarWoo! | 1/10 | Seed | $300k | 13 |
