Dr. M.Rajajeyakumar, MBBS, MD, MSc Yoga, CCEBDM (PHFI), PhD, is working as Assistant professor of Physiology at Chennai medical college hospital & research Centre (SRM Group) Trichy, Tamilnadu, India (Affiliated by Dr MGR Medical University, Chennai). He received MBBS degree from Tirunelveli Medical College and completed MD Physiology, under the guidance of Dr.Madanmohan & Dr.J. Balachander (2006-2009) at Jawaharlal Institute of Postgraduate Medical Education & Research (JIPMER- An Institution of National Importance under the Ministry of Health & Family Welfare, Govt. of India). He has been teaching Physiology for more than five years after obtained his Master Degree. He started his teaching career as a junior resident in the Department of Physiology, JIPMER (2006-2009). Then he worked as a senior resident (2009-2012) in the same department and research assistant in Advanced Centre for Yoga Therapy, Education & Research (ACYTER) Lab, JIPMER, collaboration with Morarji Desai National Institute of Yoga (MDNIY). He did MSc yoga in Annamalai University and completed ISAK (International Society for the Advancement of Kin anthropometry Level 1 & 2 in the year of 2010-11). He had trained for recording & Analysis of bio signals of CMC dag instrument for Heart rate Variability (HRV) in Department of Bioengineering, Christian Medical College (CMC), and VELLORE- 2011. He had completed Certificate course on, Epidemiology in JIPMER (2011), Biostatistics SPSS Training& Sample size calculation at Christian Medical College (CMC), VELLORE (2010 & 12). He had completed the Basic Course on ECG Interpretation (2013) from Dr.Chenniappan’s ECG & ECHO Club of Trichy and Evidence Based Diabetes Management (CCEBDM), under Public Health Foundation of India (PHFI), which was recognized by international Diabetic Federation (IDF) at Trichy diabetic centre (Dr.Shanmugavelu and Dr.Bosco) in the year of 2013-14. Dr. M.Rajajeyakumar has been actively involved in research. His special research experience is in Yoga, autonomic, cognitive, cardio-respiratory, neurophysiology and medical education. He had trained with basic Physiological procedures including human and animal experimental physiology; pulmonary function test (PFT), autonomic function test (AFT), HRV (heart rate variability), EMG (electromyography), & NCS (nerve conduction study) related research. He was expert with the recording of analogue signal output from the ECG machine is digitized by using an A/D converter from National Instruments .The HRV was analyzed by using the “HRV soft 1.1 Version” software package (built by using the Lab View software from Texas Instruments, USA) which was provided by the All India Institute of Medical Sciences (AIIMS), New Delhi. He also familiarized with Power lab, bio harness & BIOPAC MP 100 system (BIOPAC Inc., USA) and the BIOPAC AcqKnowledge software 3.7.1 (BIOPAC Inc., USA, which is mainly used to record autonomic function test (AFT), &HRV (heart rate variability). He has published many papers in reputed national & international journals. Many post and undergraduate medical students who have performed research project of ICMR under the guidance of Dr. M.Rajajeyakumar. He is a life member of many national and international journals and scientific bodies. He is an expert reviewer and editorial board member for many national and international journals.He has been selected for Examiner and Question paper setting for various medical, paramedical & biomedical engineering undergraduate and post graduate courses. In addition to teaching, Dr. M.Rajajeyakumar has very good skill to organizing conferences and academic programmes. He is one of the resource person in Medical Education Unit for conducting basic Programme on Medical Education Technologies for faculties. He is the in charge of physiology departmental representative for ISO-9001& active members of writing systematic operating procedure (SOP). Recently, he has been appointed as Staff Advisor & Programme Co-ordinator of Youth Red Cross Society of Chennai medical college hospital & research Centre (SRM Group).