Mark Penn - Stagwell Chairman & CEO. Author of Microtrends

Mark Penn - September 13th, Hour 3 - The Sean Hannity Show

Stagwell Meet Mark - Stagwell

Stagwell Stagwell Inc. Announces Third Quarter Revenue Growth Driven by MDC Merger - Stagwell

Stagwell (STGW) Chairman and CEO Mark Penn to Present at 2023 ANA Masters of Marketing Conference

The Penn Program on Precision Medicine for the Brain - Penn Memory, pennn

Microtrends: The Small Forces Behind Tomorrow's Big Changes: Penn, Mark, Zalesne, E. Kinney: 8601400329535: Books

Speaker: Mark Penn, President & Managing Partner of The Stagwell Group

Microtrends Squared: The New Small Forces Driving Today's Big Disruptions: Penn, Mark, Fineman, Meredith: 9781501179938: Books

Mark Penn on building Stagwell, his political and polling background