Five Star Senior Living, Inc. engages in the senior living operations. It operates through the following segments: Senior Living Communities & Rehabilitation and Wellness. The Senior Living Communities segment owns account or manages the account of others independent living communities, assisted living communities, and skilled nursing facilities that are subject to centralized oversight, and provide housing and services to elderly residents. The Rehabilitation and Wellness segment offers physical, occupational, speech, and other specialized therapy services, in the inpatient setting and in outpatient clinics. The company was founded by Barry Michael Portnoy and Gerard Michael Martin in April 2000 and is headquartered in Newton, MA.