Sam P. Pettijohn

Laboratory Corp. of America Holdings operates as a life sciences company, which engages in the provision of vital information to help health professionals make clear and confident decisions. It operates through the Drug Development and Diagnostics segments. The Drug Development segment consists of lead optimization, preclinical safety assessment, analytical services, clinical trials, central laboratories, biomarkers, and companion diagnostics, market access, and technology solutions. The Diagnostics segment includes primary care, women's health, specialty medicine, oncology, ACOs, and hospitals and health systems. The company was founded in 1971 and is headquartered in Burlington, NC.

Cerner Corp. engages in the business of supplying healthcare information technology solutions and services. It operates through the following segments: Domestic, International, and Other. The Domestic segment focuses on the revenue contributions and expenditures associated with business activity in the United States. The International segment is involved in Australia, Canada, Europe, and the Middle East. The Other segment includes gains or losses recognized on the divestiture of businesses. The company was founded by Neal L. Patterson, Clifford W. Illig, and Paul N. Gorup in 1979 and is headquartered in North Kansas, MO.

Signify Health, Inc. engages in the provision of healthcare and total cost of care enablement services. The company was founded in 2009 and is headquartered in Dallas, TX.