Executive Team

Ben W. Davis, MD

Chief Executive Officer
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Douglas E. Shirley

Executive Vice President, Chief Financial Officer
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Richard A. Halstead

President and Chief Commercial Officer
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Daniel A. Valenti

Executive Vice President, Chief Information Officer, Chief Compliance Officer
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Scott Jeffers

Executive Vice President, Chief Operating Officer
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Derek C. Welch, MD, FCAP

Executive Vice President, Chief Medical Officer
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