Chambers Review
Provided by Chambers

Email address
[email protected]Contact number
+1-212-455-3274Share profile
Band 1
Provided by Jonathan Karen
Co-Head of Simpson Thacher's Investment Funds Practice, Jonathan has led recent efforts in industry’s most successful and market-defining private equity fund formations across multiple asset classes, including buyout, real estate and infrastructure. Notable formations include Blackstone’s most recent flagship opportunistic global real estate, corporate private equity and core private equity funds, and Silver Lake, Stonepeak Infrastructure, Rockpoint Real Estate and Centerbridge Partners in each of their flagship and ancillary funds. Jonathan also counsels investment firms on a mix of matters involving private investment funds, including internal economic arrangements for private fund sponsors, regulatory compliance, M&A transactions and strategic investments involving private fund sponsors, joint ventures and spin-outs.
Notably, Jonathan was recognized as Fund Formation “MVP” by Law360 in 2023 and 2021.
Joined Firm, 2001; Partner, 2011.
B.A., cum laude, Duke University (1998); J.D., New York University School of Law (2001).
Provided by Chambers
Provided by Chambers
Jonathan is a top commercial thinker. His breadth of knowledge is much wider than just funds; he is quite comfortable advising on unique structuring issues and thornier general legal questions. He is excellent at calibrating risk and commercial judgment.
Jonathan is a top commercial thinker. His breadth of knowledge is much wider than just funds; he is quite comfortable advising on unique structuring issues and thornier general legal questions. He is excellent at calibrating risk and commercial judgment.