Mark Penn - Stagwell Chairman & CEO. Author of Microtrends

Stopping Robert Mueller to protect us all

Agency Transformation: An Interview with Mark Penn, Chairman and CEO, MDC Partners

Stagwell lowers guidance, projects negative growth for 2023

Why Stagwell's Mark Penn sees AR and AI as the biggest disruptors to the industry - Digiday

DM Magazine October 2020 by Lloydmedia Inc - Issuu

Stagwell Mark Penn - Stagwell

Stagwell Mark Penn - Stagwell

Mark Penn, Chairman & CEO at Stagwell Biography

Mark Penn: Democrats' debate was a panderfest

Microtrends: The Small Forces Behind Tomorrow's Big Changes: 9780446699761: Penn, Mark, Zalesne, E. Kinney: Books

Stagwell Meet Mark - Stagwell

Mark Penn on building Stagwell, his political and polling background