Murray Rosenthal

The American Psychiatric Association is the largest scientific and professional organization of psychiatrists. The private company is based in Arlington, VA and has subsidiaries in the United States. The company works together to ensure humane care and effective treatment for all individuals with mental illness, including substance use disorders. Marketa Wills has been the CEO of the company since 2024.

Part of PAREXEL International Corp., California Clinical Trials Medical Group, Inc. provides clinical research studies. The company is based in Beverly Hills, CA. California Clinical Trials Medical Group was acquired by PAREXEL International Corp. from UnitedHealth Group, Inc. on November 16, 2006.

Millennium Health LLC engages in the provision of diagnostic laboratory services. It offers Pharmacogenetic testing, medication monitoring, and integrating personalized medication intelligence services. The company was founded in 2007 and is headquartered in San Diego, CA.