Justin Browder

Justin Browder is a partner in Simpson Thacher’s Registered Funds and Asset Management Regulatory and Enforcement practices in the firm’s Washington D.C. office. He counsels investment advisers, private and registered investment funds, and broker-dealers on all aspects of the federal securities laws, with a particular emphasis on the Investment Advisers Act of 1940 and the Investment Company Act of 1940. Justin has substantial experience advising private fund managers and sponsors of wealth management and separately managed account programs concerning a wide variety of operational, transactional, and adversarial matters. A central component of his practice involves representing advisers, funds and wealth management firms in SEC examinations and enforcement proceedings. Justin is also a recognized practitioner in the area of digital assets, where he advises asset managers and exchange platforms on compliance and operational matters. Additionally, Justin’s experience includes representing financial sponsors and strategic investors concerning mergers, acquisitions and spin-outs of asset management businesses and advising alternative asset managers on fund formation matters.

Practicing since 2009; joined Simpson Thacher as a partner in 2025. Prior to joining Simpson Thacher, Justin was a partner at another international law firm. He also served as Assistant General Counsel at a large alternative asset management firm in New York where he advised on a range of regulatory and transactional matters.