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 W. Brodack, Ph.D.
Senior Vice President and Chief Regulatory Officer
James T. Harvey, Ph.D.
Senior Vice President and Chief Science Officer
Adrienne Carney
Director, Human Resources
Christian J. Garver, CPA
Vice President, Finance
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
Darcy Montgomery
Senior Director, Instrument Manufacturing Operations and Corporate Supply Chain
Robert Perry
Vice President, Quality Affairs
Dave Wilson
Vice President, Commercial Operations
George Messina
Founder & Retired

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