Best Doctors, Inc. Working with the world’s leading medical experts, Best Doctors ensures individuals have the right diagnosis and the right treatment, so they can make their best decisions about their medical care.

Caregiver Services, Inc. provides personal care and home health services to individuals who desire to remain in their own home but cannot function independently. CSI also provides temporary staffing services in various assisted living, skilled nursing and hospital settings.

Comprehensive NeuroScience, Inc. (CNS) manages clinical trials and provides CRO services to pharmaceutical companies and also develops and implements care management programs on behalf of payors aimed at improving the treatment of the severely mentally ill.

CareGuide, Inc. is an experienced leader in developing health-optimizing solutions for high risk, complex and elderly populations. CareGuide delivers a broad health services product portfolio that addresses medical, psychosocial, functional and emotional needs.

Extend Health, Inc. is the leading provider of choice-based defined contribution benefit programs for retirees through its innovative healthcare insurance exchange.

Triveris, LLC is a health technology and insurance carrier dedicated to reducing the cost of health care by improving the health of individuals. By integrating health plan design and administration with disease management and preventive care, Triveris keeps organizations healthy – one person at a time.

Healthcor, Inc. owned and operated the Michigan HMO known as Great Lakes Health Plan, the state's second largest Medicaid Managed Care provider. Acquired by United Health Group in February 2004.

I-trax, Inc. (OTC Bulletin Board: IMTX) is a technology-enabled population health management company whose mission is to provide disease management services supported by an interactive, real-time software system solution. The Psilos position was successfully exited in 2004.

Navitas Cancer Rehabilitation Centers of America, Inc. (Navitas), provided an integrated program of rehabilitation and supportive services for cancer patients. Exited May 2009 via merger with Triveris