Fred Wilson is a venture capitalist and the co-founder of Union Square Ventures, a venture capital firm based in New York City. He is well-known for his investments in early-stage technology companies, such as Twitter, Tumblr, Zynga, and Foursquare. He
From Wikipedia
Union Square Ventures (USV) is an American venture capital firm based in New York City. The firm has backed more than 130 startups, including Twitter, Etsy, Stripe, Coinbase, Zynga, Tumblr, Stack Overflow, Meetup, Kickstarter, MongoDB, Flurry, Cloudflare, Duolingo, and Carta.