Mark Denneen

CHIEF EXECUTIVE OFFICER
Mark Denneen

About Mark

Following brand management leadership roles at Procter & Gamble and Saatchi & Saatchi, Mark founded Denneen & Company in 1993. A graduate of Milton Academy, Mark received his A.B. from Harvard College and his M.B.A. from the Harvard Business School.

We take great pride in having established highlight collaborative, long-term relationships with clients built on a foundation of trust, value, and tangible results.