Craig Callen

Sunrise Senior Living, Inc. provides senior and assisted living services. It offers independent and assisted living, care for individuals with Alzheimer's and other forms of memory loss, as well as nursing and rehabilitative care. The company was founded by Paul J. Klaassen and Terry Klaassen in December 1981 and is headquartered in McLean, VA.

Credit Suisse First Boston LLC provides global investment banking services in the United States. It provides private banking and financial advisory services and banking products. Its businesses include securities underwriting, sales & trading, investment banking, private equity, alternative assets, financial advisory services, investment research and asset management. It is headquartered in New York, NY.

Kinetic Concepts, Inc. develops advanced wound care solutions and therapies designed to deliver positive outcomes for patients and healthcare professionals. It operates business through two segments: Active Healing Solutions and LifeCell. The Active Healing Solutions segment is focused on the development and commercialization of advanced wound care therapies primarily based on its negative pressure technology platform. The LifeCell segment focuses on the development and commercialization of regenerative and reconstructive acellular tissue matrices for use in reconstructive, cosmetic, orthopedic and urogynecologic surgical procedures to repair soft tissue defects, as well as for reconstructive and cosmetic procedures. It has offices in Africa, Asia Pacific, Australia, Caribbean, Europe, Latin America, Middle East and North America. The company was founded by James R. Leininger in 1976 and is headquartered in San Antonio, TX.

Aetna, Inc. engages in the provision of traditional, voluntary, and consumer-directed health insurance products and related services. It offers benefits, products and services to individuals, employers, healthcare professionals, and producers. The company was founded by Eliphalet Adams Bulkeley in 1853 and is headquartered in Hartford, CT.

SGRY LLC provides short-stay surgical facilities. The company was founded in 1999 and is headquartered in Nashville, TN.

HMS Holdings Corp. engages in the provision of cost containment and analytical solutions in the healthcare marketplace. It uses healthcare data technology, analytics, and related services to deliver coordination of benefits, payment, population risk intelligence, care management, and consumer engagement solutions to help payers reduce costs, and improve healthcare outcomes. The company was founded in 1974 and is headquartered in Irving, TX.