Arnold & Porter announced that Aron Estaver has rejoined the investment management team of the corporate and finance practice as a partner, based in the firm’s San Francisco office. Estaver’s practice focuses on advising U.S. and non-U.S. fund managers regarding the structuring and ongoing operations of private investment funds pursuing a broad range of investment strategies, including hedge, private equity, real estate, infrastructure, venture capital and credit. He also regularly represents U.S. and non-U.S. institutional investors, funds of funds, sovereign wealth funds, family offices and high-net-worth investors regarding their private fund investments. For coverage of another addition to Arnold & Porter, see “Michael Saarinen Joins Arnold & Porter As Co‑Lead of Investment Management Group” (Oct. 23, 2025).