UnitedHealth Group Incorporated is a diversified health care company that operates through four segments: UnitedHealthcare, OptumHealth, OptumInsight, and OptumRx. It offers a wide range of products and services to individuals, employers, and government agencies. The company is headquartered in Minnetonka, Minnesota and employs over 325,000 people. UnitedHealth Group is known for its strong financial performance and commitment to innovation in the healthcare industry.