John Willson

Arthur Andersen LLP used to provide accounting services. It was also into consulting services for clients that operate businesses throughout the United States and around the world. Arthur Andersen was founded in 1913 and was headquartered in Chicago, IL.

American College of Healthcare Executives operates as a professional society of healthcare executives. The company was founded in 1933 and is headquartered in Chicago, IL.

Overlake Hospital Medical Center is a non-profit organization, which engages in the provision of health care services. It offers cardiac care, cancer care, general and specialty surgery, women's programs, senior care, psychiatric services, and trauma service. The company was founded in 1953 and is headquartered in Bellevue, WA.

Verispan LLC provides information products and services to the healthcare industry. The company offers sales targeting and compensation products, market research audits, healthcare profiles, primary market research, data integration, data analysis & consulting, direct mail, disease management studies, clinical trial investigator targeting, and protocol recruitment evaluation. Verispan was founded in April 2002 and is headquartered in Yardley, PA.