Executive Team

Our executive team brings proven experience and expertise in developing and commercializing innovative nuclear medicine products and technologies

Stephen Merrick
President and Chief Executive Officer
Paul Estrem, CPA
Executive Vice President and Chief Financial Officer
James T. Harvey, Ph.D.
Senior Vice President and Chief Science Officer
Frank Scholz, Ph.D.
Senior Vice President and Chief Operating Officer
Adrienne Carney
Director, Human Resources
Barb Gosenheimer
Vice President, Strategic Execution
Lisa Holst
Vice President, Sales and Marketing
Stuart Kim, J.D., M.S.
Vice President, Regulatory Affairs and Legal Affairs
Rim Milunas
Vice President, Engineering and Technology
Darcy Montgomery
Vice President, Manufacturing and Supply Chain Operations
Robert Perry
Vice President, Quality Affairs
Dave Wilson
Vice President, Advanced Radiopharmaceutical and Therapeutic Technologies
George Messina
Founder & Retired
In Memory of James W. Brodack, Ph.D.
Former Senior Vice President and Chief Regulatory Officer


Do you have questions about NorthStar, our products, supply solutions, careers or anything else?

Contact Us Today