Rajarajan S currently serves as the Group Chief Operating Officer at Alluri Sitarama Raju Academy of Medical Sciences, overseeing a 1200-bed teaching hospital, a comprehensive cancer center, and an upcoming 370-bed super specialty hospital. Additional roles include Distinguished Fellow in the AHPI Leadership Forum, International Member of CAHO, and Visiting Faculty at Loyola Institute Of Business Administration and Sri Ramachandra Institute of Higher Education and Research. Rajarajan S is also an Executive Committee Member of the Telemedicine Society of India, a member of the AHMP India Foundation, and has held various memberships in professional organizations, including the American College of Healthcare Executives and the Research Foundation of Hospital and Healthcare Administration. Educational qualifications include an Executive General Management Program from the Indian Institute of Management Tiruchirappalli, a Post Graduate Diploma in Medical Law & Ethics from the National Law School of India University, and a Master's in Health Service Management from Charles Sturt University, among others.