Tiffany Kosolcharoen, a renowned Investment Research Director at Y Combinator, has a rich background spanning several management positions at high-profile organizations such as Facebook, Twitter, and MIT. She holds a prestigious Master of Business Administration (MBA) degree from Massachusetts Institute of Technology's Sloan School of Management and a Bachelor of Science (BS) degree from the same university. Her expertise lies in market strategy, consumer and growth business development, commerce management, business development, venture fellow, founding member & senior consultant, business analyst, and investment research.

As the Investment Research Director of Y Combinator, Tiffany Kosolcharoen brings significant experience and insights into the investment world, making her a crucial asset to the team. She previously held a senior management position at Facebook, where she oversaw market strategy. She later headed consumer and growth business development at Twitter, became the commerce manager for partnerships and analytics, and partner manager for commerce. Prior to that, she was part of the Klout and Corona Labs team before joining Accenture, where she was among the founding members of Accenture Interactive. Tiffany brings a wealth of experience gleaned from her rich background in investment, market strategy, business development, venture fellow, and business analysis, making her a top resource in these areas.