EMD Serono, USA
Merck KGaA, Darmstadt, Germany
Merck KGaA, Darmstadt, Germany

Gary Zieziula

Gary Zieziula

Gary Zieziula is President and Managing Director of EMD Serono.
He is responsible for all areas of the business across the North America region, which includes the U.S. and Canada, including overseeing strategic planning and maximizing the growth of the organization by driving the performance of the company's franchises.
With more than 30 years of experience in the pharmaceutical industry and specialty care, Mr. Zieziula brings an accomplished career underscored by his ability to improve company performance. He arrived at EMD Serono after two years as an independent consultant focused on opportunity assessments for development-stage products, and mergers and acquisitions.
Career History
Previously, Mr. Zieziula led the financial growth of AMAG Pharmaceuticals as Executive Vice President and Chief Commercial Officer. Prior to joining AMAG Pharmaceuticals, he served as General Manager, and Vice President of Specialty Care at Roche, where he grew the company’s multi-billion dollar specialty care US portfolio – including oncology, hepatitis c, virology, and transplant.
Mr. Zieziula gained international experience serving as the Managing Director for Roche in Greece.
Mr. Zieziula has also held multiple senior leadership positions at Bristol Myers Squibb and Merck & Co.
Mr. Zieziula holds his BS from State University of New York at Buffalo and an MBA from Canisius College.