Mark Penn
@Mark_Penn
Pres, Stagwell Group, Past EVP Strategy @Microsoft. Past CEO of @B_M and @PSBresearch, past advisor to President Clinton and Hillary Clinton, author Microtrends
28-01-2009 17:08:00
763 Tweets
13,8K Followers
465 Following
@Mark_Penn
Pres, Stagwell Group, Past EVP Strategy @Microsoft. Past CEO of @B_M and @PSBresearch, past advisor to President Clinton and Hillary Clinton, author Microtrends
28-01-2009 17:08:00
763 Tweets
13,8K Followers
465 Following