Mark Penn | Twelve
Mark Penn: Finding the Next Microtrends
Why Hillary's Former Operative Bought a Hollywood Box-Office Tracking Firm – The Hollywood Reporter
How Stagwell Group's CEO Mark Penn is going after the holding companies
Mark Penn: MDC-Stagwell will take on 'bloated and outdated' holding companies | Campaign US
Stagwell (STGW) Chairman and CEO Mark Penn to Speak at The George Washington University's "Reinvigorating Democracy"
Microtrends by Mark Penn | Twelve
Microsoft Battles Google by Hiring Political Brawler Mark Penn - The New York Times
Mark J. Penn | C-SPAN.org
Mark Penn's Stagwell Group Will Acquire SKDKnickerbocker - The New York Times
Mark Penn | Milken Institute
Microsoft Sheds Political Ace Mark Penn, Steve Ballmer's Harvard Peer
Why we may be wrong about the internet - according to Mark Penn - CBS News
Trump met with ex-Bill Clinton pollster Mark Penn to discuss impeachment | CNN Politics
282: Harnessing the Promise of the Digital Revolution with Stagwell's Mark Penn – Marketing Today with Alan B. Hart
Mark Penn's Investment Group Acquires SKDKnickerbocker
Former Hillary Clinton aide Mark Penn leaving Microsoft - POLITICO
Former Clinton Adviser Mark Penn Turns His Coat for Trump
Mark Penn exits Microsoft to found investment firm | PR Week
Mark J. Penn - The Stagwell Group
Mark Penn - Wikipedia
Speaker: Mark Penn, President & Managing Partner of The Stagwell Group | LAI
Marketing Is the Answer Whether You're Growing or Struggling
Mark Penn (@Mark_Penn) / Twitter
