Dan Greenleaf is president of Coram, Apria Healthcare's specialty infusion services division, which includes over 75 home infusion pharmacies, over 50 ambulatory infusion suites and CoramRx, a centralized specialty pharmaceutical distribution business. With over 2000 employees in the division, Coram serves thousands of patients with chronic and acute conditions each year.

Prior to joining Apria Healthcare's Coram Specialty Infusion Services division in June 2008, Dan served as president and chief executive officer of VioQuest Pharmaceuticals, Inc., a New Jersey-based biopharmaceutical company. Prior to his role at VioQuest, Dan was president of U.S. Operations for Celltech Biopharmaceuticals, a global biopharmaceutical leader focused on severe diseases such as central nervous system disorders, rheumatoid arthritis, Crohn's disease and multiple sclerosis. Additional experience includes serving as senior vice president of operations for Nabi Pharmaceuticals, as well as progressively more responsible management and executive-level positions with Schering-Plough Corporation, a global healthcare company, from 1992 to 2002.

Dan is a 1987 graduate of Denison University with a Bachelor of Arts degree in Economics. He also obtained his Masters of Business Administration degree in Health Administration from the University of Miami in 1997. He was a captain and navigator in the United States Air Force and served in Operation Desert Storm.