MARION — Greg Messina of Marion has been named chief operating officer of The Armenian Women’s Welfare Association, a nonprofit health care organization dedicated to serving elders locally and internationally and the sponsor organization of the Armenian Nursing & Rehabilitation Center in Jamaica Plain. 

He brings more than a decade of health care experience to the 83-bed, nonprofit provider of long-term care and short-term rehabilitation.  Messina will guide the Armenian Nursing & Rehabilitation Center’s strategic and planning initiatives, including the development of new services and programs, oversight of finances and collaboration with key health care partners.  

He previously served as a regional administrator for Whittier Health Network, a group of acute rehabilitation hospitals and subacute rehabilitation and nursing homes in Massachusetts.  Prior to becoming a licensed nursing home administrator, he had a career in business and marketing. Messina earned a bachelor’s degree in history and a master’s degree in business administration from the University of Massachusetts Boston.