Dr. M.Rajajeyakumar, MBBS, MD (Physiology), MSc Yoga, CCEBDM (PHFI) ACME, FMERC. has completed MD Physiology,(2006-2009) at (JIPMER- An Institution of National Importance under the Ministry of Health & Family Welfare, Govt. of India). He worked as research assistant (2009-2012) in the Advanced Centre for Yoga Therapy, Education & Research Lab, and JIPMER. At present, working as Assistant Professor in Physiology, Trichy SRM Medical College and Research Centre, Tamilnadu. His teaching and research experience are more than 10 yrs and 10 months in medical field. He published more than 112 research papers and serving as an editorial board member (32) and expert reviewer (20) of many national and indexed international journals. He has been appointed as scientific referee for extramural proposal evaluation and recommendation for funding of project in the field of medicine and biomedical engineering by the Science and Engineering Research Board (SERB), Established through an Act of Parliament: SERB Act 2008, Department of Science & Technology, Government of India. He is working as International organizing Committee Member for 120(Since 2018-2020) International Conferences in the various countries like USA, UK, Canada, Australia, France, Japan, Russia, Italy, Dubai, Netherlands, Malaysia, Singapore, South Africa, Germany and Spain. He is working as an advisory Council member- Pure Action, Yoga is Medicine, Austin, TX 78703, USA and ambassador – International Bentham Science publishers, UAE. He had appointed as recognized University Examiner for MBBS, Nursing and allied health science courses for Dr.MGR Medical University (Chennai), Rajiv Gandhi Medical University (Bangalore),and KeralaMedical University (Trissur). He was honored as visiting professor and Expert member of the Board of studies for the PhD and Recognized research supervisor for the Ph.D. programme National Institute of Technology, Trichy and Nandha Engineering College, Erode. He received 17 awards at national and internal level. He was visited as honorable guest Speaker for following countries, USA, UK, Canada, Singapore, Dubai and Malaysia.