Brian Koizim

Brian Koizim is a Portfolio Manager at Tudor Investment Corporation (also known as THE TUDOR GROUP), based in New York, NY. In his current role, he is responsible for managing multi-asset investment strategies and contributing to the firm’s global approach to portfolio construction, risk management, and return generation. Tudor’s platform encompasses a broad range of asset classes, including fixed income, currencies, equities, and commodities, and as a Portfolio Manager, Koizim actively oversees investments across these sectors.

Prior to joining Tudor in 2024, Brian served as Senior Portfolio Manager at Millennium Management, where he led trading and portfolio efforts in global macro and multi-asset strategies from 2019 to 2024. He began his career as a trader at Goldman Sachs from 2015 to 2018, building deep expertise in capital markets, derivatives, and cross-asset trading. This experience has given him strong quantitative and analytical skills, particularly relevant to complex, systematic investment approaches.

Brian holds a Bachelor of Arts in Philosophy, Politics & Law (PPL) from Binghamton University, with additional coursework in management. His professional background evidences significant experience in global macro, systematic trading, and portfolio management, making him a well-regarded figure in the hedge fund and alternative investment space.