The Armenian Women’s Welfare Association (AWWA), a nonprofit health care organization dedicated to serving elders locally and internationally, and the sponsor organization of the Armenian Nursing & Rehabilitation Center, recently announced an expanded senior leadership team. The Armenian Nursing & Rehabilitation Center is an 83-bed, Jamaica Plain nonprofit nursing center located at 431 Pond St., next to Larz Anderson Park, which offers long-term care. AWWA added two experienced administrators: Greg Messina, Chief Operating Officer, and Jessica Brigham, Executive Director. 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. Brigham will lead the day-to-day operations, including the clinical care of patients and residents, management of staff, and communication with families.