Arnold & Porter announced that Michael Saarinen has joined the firm as a partner and co-lead of the investment management practice group. Based in New York, he brings a wealth of experience advising U.S. and global fund sponsors and principals on the structuring and formation of funds and related advisory businesses. He also has experience working with the full spectrum of private fund investors, including family offices, endowments, foundations, sovereign wealth funds and insurance companies. For insights from Saarinen, see our two-part series on the retailization of private funds: “Incremental Changes Signal SEC Support” (Aug. 14, 2025); and “Practical Consequences” (Aug. 28, 2025).