WALTHAM, Mass.--(BUSINESS WIRE)--Jeffery Gruen, a senior healthcare industry executive and former division President and Chief Medical Officer of Revolution Health Group LLC, has joined PRTM Management Consultants as a director and co-head in the global operational strategy firm’s Healthcare Practice. Dr. Gruen’s distinguished 25-year career includes senior healthcare services and technology positions including managed care, care management, and health portal companies. more»