Paul Kirchgraber

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.

Q Squared Solutions LLC provides clinical laboratory services that support all phases of both global and regional clinical trials. The company also provides project management and investigator services for the central laboratory. Its services include product development, commercialization, medical communications, consulting and partnering solutions. The company is located in Smyrna, GA.

Covance, Inc. operates as a contract research organization and drug development company. Its services include research, lead optimization, analysis services, safety assessment and drug safety testing, consulting and partnering, clinical development, informatics, clinical testing, commercialization, and manufacturing support. The company was founded on November 12, 1996 and is headquartered in Princeton, NJ.

The Association of Clinical Research Organizations operates as an association of clinical research organizations. The non-profit company is based in Washington. David S. Simmons has been the CEO of the American company since 2015.