Who is Fred Wilson and what company did he co-found?

Fred Wilson is an extremely successful venture capitalist and blogger based in New York. He co-founded and currently works at Union Square Ventures, a prominent venture capital firm with investments in several major tech companies. Under Wilson's leadership, Union Square Ventures has made notable investments in influential tech companies including Twitter, Tumblr, and Zynga. His expertise in the venture capital industry has established him as a significant figure in the technology investment landscape.