Overview
- The launch, which was reported Wednesday, Sept. 16, 2026, positions Thirty Third Management Group as the vehicle to manage Brunson’s off-court business and brand work.
- Multiple outlets say Brunson’s mother Sandra will serve as president, his sister Erica as director of client services, and Connor Cashaw as director of business development, though some role details remain reported rather than independently confirmed.
- The firm is described as an advisory platform that will handle brand development, partnership strategy, business development and philanthropy for Brunson and outside clients.
- Brunson announced the move after leading the New York Knicks to the 2026 NBA title and winning Finals MVP, a timing that leverages his recent profile before the 2026–27 season.
- The launch follows a growing athlete trend of building family-led management firms to control long-term brand value and could lead to wider client signings and formal partnerships to watch for in coming months.