Gregg Seibert – Biography
Last update: March 11, 2026Executive profile
Gregg Seibert joined Madison Square Garden Sports in 2015.
Gregg Seibert is currentlyVice Chairman of the Board at New York Knicks - View - New York Knicks org chart
Create your alert
to follow the career of Gregg Seibert.
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 :
Find more alumni from University of Pennsylvania - The Wharton School
More about Gregg Seibert
Selected links
Do you need to know more about Gregg Seibert? More results.
Participate
Social media
- Gregg Seibert on Google News, X (Twitter), LinkedIn, YouTube
- View the pictures of Gregg Seibert
The colleagues of Gregg Seibert
Company Colleagues
- At New York Knicks, Gregg Seibert has 9 colleagues including James Dolan (Chairman of the Board), Brock Aller (Basketball & Strategic Planning)…
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.
Report an error
Update the org chart details of Gregg Seibert.
Get in Touch
Here are a few tips for establishing great contacts.
