DETROIT, April 3, 2017 /PRNewswire/ — The Mars Agency announces two senior-level executive appointments to reinforce the strength of its creative leadership. Suzanna Bierwirth joins as Chief Creative Officer and Jeff Stocker is promoted from Chief Creative Officer to Global Chief Creative Officer. Both executives are based at the agency’s global headquarters in Detroit.

Bierwirth joins The Mars Agency from FCB Chicago and its global network, where she has spent the bulk of her career, most recently as Senior Vice President, Group Creative Director. At FCB, she was instrumental in restructuring and building the creative department at FCB RED, its retail and engagement group. She helped build the Smucker’s and Brown Forman businesses from shopper duties to agency of record and led award-winning creative for Coca-Cola and other clients.

Bierwirth will be responsible for leading day-to-day creative, overseeing the creative leadership teams and product output, as well as setting the creative vision across The Mars Agency network of offices. As CCO, she will report to Rob Rivenburgh, CEO of the Mars Agency, North America.

“We are thrilled to have someone with Suzanna’s rich creative pedigree and depth of big brand experience running creative at The Mars Agency, as we seek to expand our integrated approach of marketing to shoppers,” says Rivenburgh. “Suzanna is a big thinker and a creative force who demands the best from her teams and never stops pushing for smart design in her work. Moreover, her success as a business owner and retailer gives her added credibility to help deliver best-in-class retail marketing results for our clients.”

As one of the longest-tenured executives at The Mars Agency, Stocker has spent more than 35 years in a variety of agency roles including creative director, copywriter, art director and broadcast producer.  He has a keen knowledge of shopper marketing, with expert­­ise in identifying winning strategies and developing world-class creative that drive product sales for the agency’s clients.

Stocker has received over 200 industry awards in his career, including a featured work found in Broadcast Marketing, a popular college textbook that has helped shaped the minds of future shopper marketing gurus.

“Jeff has been instrumental in delivering game-changing creative leadership to our clients for more than 30 years and is a treasured resource across our industry, as his extensive recognition and many accolades attest,” says Ken Barnett, Global CEO. “His promotion to global CCO is deeply deserved and in his new role, Jeff will help ensure that we’re providing the same level of distinctive, breakthrough creative for our clients wherever they do business around the world.”

About The Mars Agency
The Mars Agency is a full-service, global shopper and consumer marketing leader, operating in 11 offices in North America and Europe. For nearly 45 years, the agency has been consistently recognized as a thought-leader in the shopper space, attracting an impressive client base which includes Walmart, Hallmark, Coca-Cola, T-Mobile, Campbell’s and Pfizer.

To learn more about The Mars Agency, please visit