Executive Team

Sean M. Whelan, CPA

Chief Financial Officer

Sean Whelan is responsible for all accounting and financial matters for Diplomat Specialty Pharmacy. Prior to joining Diplomat, Sean was the Chief Financial Officer of InfuSystem Holdings, Inc. (INFU), a publicly traded healthcare services company located in Madison Heights, MI. He was instrumental in ensuring InfuSystem’s success in such diverse areas as profitable revenue growth, capital markets, debt raising, acquisition and integration, and also oversaw the Information Technology and Human Resources organizations during periods of rapid growth.

Before joining InfuSystem, Sean held senior finance positions with Ford Motor Company from 1996 through 2007, including serving as accounting director for Automotive Components Holdings, LLC, a Ford subsidiary, where he had direct oversight, financial and divestiture responsibility for the $5.0 billion entity. Sean also held senior treasury roles at Ford Motor Company, where he was responsible for managing the interest rate risk and funding strategy for Ford Credit, with over $150 billion in assets.

Prior to joining Ford Motor Company, Sean was employed as a senior auditor for Deloitte & Touche, LLP from 1992 to 1995. He has a Bachelor of Business Administration degree and a Master of Accounting degree, both from the University of Michigan Ross School of Business. Sean received his CPA certificate in 1995, his Certified Internal Auditor certificate in 1996 and has been 6-Sigma Black Belt certified since 2000. He resides in Canton, MI with his wife Kerie and three children Cate, Conor and Meg.