Mark Penn

Mark Penn

Chief Executive Officer at STAGWELL INC.

Net worth: 161 M $ as of 31/05/2026

72 year
Commercial Services
Consumer Services
Communications

Profile

Mark Penn is the President and Managing Partner of The Stagwell Group, a private equity fund focused on the marketing services industry.
In this role, Penn directs the acquisition process and oversees the Group’s portfolio companies.
Mark Penn’s career spans 40 years in advertising, market research, public relations, polling and consulting.
He has advised top world leaders, led companies, and written two bestselling books.
Currently, Mark serves as President and Managing Partner of private equity The Stagwell Group as well as CEO of the fund’s largest investment, MDC Partners.
As “The Place Where Great Talent Lives,” MDC Partners is celebrated for its innovative advertising, public relations, branding, digital, social and event marketing agency partners, which are responsible for some of the most memorable and effective campaigns.
By leveraging technology, data analytics, insights and strategic consulting solutions, MDC Partners drives creative excellence, business growth and measurable return on marketing investment for over 1,700 clients worldwide.
MDC Partners is part of Stagwell Group’s strategy to invest in digital marketing services companies.
With over $500 million raised, Stagwell has made over 20 investments in under four years, delivering what investors call, “a superior operating model.” Prior to founding Stagwell, Mark served in senior executive positions at Microsoft.
As Executive Vice President and Chief Strategy Officer, he was responsible for working on core strategic issues across the company, blending data-analytics with creativity to help set the company on a new course.
Penn earned a bachelor’s degree from Harvard College and attended Columbia Law School.
He is a visiting lecturer at Harvard College, where he teaches courses on Public Opinion.

Known holdings in public companies

CompanyDateNumber of sharesValuationValuation date
13/05/2026 23,034,990 ( 8.9% ) 161 M $ 31/05/2026

Mark Penn active positions

CompaniesPositionStart
STAGWELL INC. Chief Executive Officer 18/03/2019
Chairman 15/05/2017
Director/Board Member -
Corporate Officer/Principal -
Chief Executive Officer 01/03/2019
Stagwell Agency Holdings LLC
Director/Board Member -

Former positions of Mark Penn

CompaniesPositionEnd
MICROSOFT CORPORATION Corporate Officer/Principal 30/09/2015
Chief Executive Officer 20/09/2012
Chief Executive Officer 19/07/2012
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See the detail of Mark Penn's experience

Training of Mark Penn

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

Connections

88

1st degree connections

17

1st degree companies

Male

Female

Members of the board

Executives

Linked companies

Private companies17

Communications

Health Technology

Technology Services

Commercial Services

Energy Minerals

Consumer Services

Commercial Services

Commercial Services

Miscellaneous

Consumer Services

Commercial Services

Consumer Services

Commercial Services

Consumer Services

Finance

Stagwell Agency Holdings LLC

Commercial Services

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