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Jalen Brunson launching new management group with mom and sister focusing on ‘off-court business’

jalen-brunson-launching-new-management-group-with-mom-and-sister-focusing-on-‘off-court-business’
Jalen Brunson launching new management group with mom and sister focusing on ‘off-court business’
Jalen Brunson with his mom Sandra (left), sister Erica (middle), wife Ali and dad Rick when Jalen was named Knicks captain.
Jalen Brunson with his mom Sandra (left), sister Erica (middle), wife Ali and dad Rick when Jalen was named Knicks captain. Robert Miller

Jalen Brunson conquered basketball this year. Now he and his family are trying to own the business side.

The Brunsons announced Wednesday the launch of Thirty Third Management Group, a brand advisory firm that will manage his various off-court endeavors. The firm’s goal, as outlined in its press release, is to build a wider clientele of athletes and brands while initially prioritizing women’s professional sports.

Jalen’s mother, Sandra, was named President of the new company. His sister, Erica, is the Director of Client Services. His good friend and former high school teammate, Connor Cashaw, is the Director of Business Development.

Jalen Brunson and his mother, Sandra Brunson, are interviewed by Dexter Henry for the New York Post on Monday, August 10, 2026, at the Westchester Country Club, where Brunson was holding his Annual Charity Golf Event.
Jalen Brunson and his mother, Sandra Brunson, are interviewed by Dexter Henry for the New York Post on Monday, August 10, 2026, at the Westchester Country Club, where Brunson was holding his Annual Charity Golf Event. Charles Wenzelberg / New York Post

The company’s name is based on Jalen’s humble 33rd draft position in 2018.

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