Michael Tiedemann Joins 451 Marketing as EVP, ECD

By Erik Oster 

Boston-based integrated advertising agency 451 Marketing appointed Michael Tiedemann as executive vice president, executive creative director, responsible for leading the agency’s creative services practice.

Tiedemann joins the agency from Digitas LBi, where he spent the past 16 years serving as senior vice president, creative director. During his time in the position he led digital creative and social media marketing for brands including Bank of America, General Motors, Cessna Aviation and Biogen Life Sciences. Prior to Digitas, Tiedemann spent three years serving as vice president, creative director for Think New Ideas, working with clients including Gillette, Salomon Sports and Bank of Boston.

“We are thrilled to have Michael join our senior leadership team,” said 451 Marketing founding partner AJ Gerritson. “Michael’s experience, personality and creative vision are exactly what we need in the executive creative director role. We’re happy to hand him the reins of the creative group and we’re all excited to see how he can help accelerate our growth.”


“451 Marketing has a great client roster and I am energized to introduce them to our new, strategic approach to creative,” added Tiedemann. “I’m excited to help 451 bring big customer-driven ideas to the table – ideas which help our clients not just compete, but ultimately to win!”