![Mark Gerstein](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Mark Gerstein
Director/Board Member at
OMNICOM GROUP., INC.
Net worth: 1 M $ as of 2026-06-29
Profile
Mark D.
Gerstein is an Independent Director at Omnicom Group, Inc. since 2022.
Mr. Gerstein is a Director at Youth Guidance.
Mr. Gerstein is a Trustee at Ravinia Festival Association.
Mr. Gerstein was a Partner at Katten Muchin Rosenman LLP from 1984 to 1996.
Mr. Gerstein was a Partner at Latham & Watkins LLP from 1996 to 2022.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-06-30 | 16,332 ( 0% ) | 1 M $ | 2026-06-29 |
Mark Gerstein active positions
| Companies | Position | Start |
|---|---|---|
| OMNICOM GROUP., INC. | Director/Board Member | 2022-04-30 |
Ravinia Festival Association
 Ravinia Festival Association Movies/EntertainmentConsumer Services Provides professional music shows | Director/Board Member | - |
Youth Guidance
 Youth Guidance Services to the Health IndustryHealth Services Creates and implements school-based programs for children from low income group | Director/Board Member | - |
Former positions of Mark Gerstein
| Companies | Position | End |
|---|---|---|
Latham & Watkins LLP
 Latham & Watkins LLP Miscellaneous Commercial ServicesCommercial Services Provides legal services | Corporate Officer/Principal | 2022-12-30 |
Katten Muchin Rosenman LLP
 Katten Muchin Rosenman LLP Miscellaneous Commercial ServicesCommercial Services Provides legal services | Corporate Officer/Principal | 1995-12-31 |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
97
1st degree connections
5
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 5 |
|---|---|
Katten Muchin Rosenman LLP
Katten Muchin Rosenman LLP Miscellaneous Commercial ServicesCommercial Services Provides legal services | Commercial Services |
Omnicom Group, Inc.
 Omnicom Group, Inc. Advertising/Marketing ServicesCommercial Services Provides advertising, marketing, public relations, branding and healthcare services | Commercial Services |
Latham & Watkins LLP
Latham & Watkins LLP Miscellaneous Commercial ServicesCommercial Services Provides legal services | Commercial Services |
Ravinia Festival Association
Ravinia Festival Association Movies/EntertainmentConsumer Services Provides professional music shows | Consumer Services |
Youth Guidance
Youth Guidance Services to the Health IndustryHealth Services Creates and implements school-based programs for children from low income group | Health Services |
- Stock Market
- Insiders
- Mark Gerstein
