Gregg Seibert – Biography

Last update: March 11, 2026

Executive profile

Gregg Seibert joined Madison Square Garden Sports in 2015.

Gregg Seibert is currently

Vice Chairman of the Board at New York Knicks - View - New York Knicks org chart



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Education

Gregg Seibert has a Master of Business Administration from University of Pennsylvania - The Wharton School.

They have also studied at University of Pennsylvania - The Wharton School :

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The colleagues of Gregg Seibert

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Industry Colleagues
  • In the Sports industry, Gregg Seibert has 9,179 colleagues in 524 companies located in 28 countries. 5,101 executive movements have been recorded in the last 12 months. Learn more about Sports.

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Get in Touch

Here are a few tips for establishing great contacts.

Through the switchboard, call New York Knicks at +1 212... and ask for Gregg Seibert.

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