SEI Honors Founder Alfred P. West, Jr. as He Retires from Executive Chairman Role After 57 Years of Innovation

Board Appoints Independent Director Carl A. Guarino as Chairman as Part of Planned Transition ® OAKS, Pa., Dec. 17, 2025 /PRNewswire/ -- SEI (NASDAQ: SEIC) today celebrates the extraordinary career of Alfred P. West, Jr., the company's founder and Executive Chairman of the Board, who resigned from his role as a director and board chair as part of a planned transition effective Jan. 1, 2026. The Board has appointed Carl A. Guarino, an independent director of SEI's Board, as Chairman effective Jan. 1, 2026. W ...