Dr. M. Rajajeyakumar, MBBS, MD (JIPMER), MSc Yoga, is a distinguished Clinical Neurophysiologist and an Assistant Professor in the Department of Physiology at Saveetha Medical College and Hospital, SIMATS, Chennai. With over a decade of experience in academia and research, he has made significant contributions to the fields of neurophysiology, medical education, yoga, and lifestyle medicine. Dr. Rajajeyakumar’s expertise encompasses autonomic and cardio-respiratory physiology, non- communicable diseases, and the integration of yoga-based interventions into clinical practice. A recipient of 21 national and international awards, including the Appreciation Award from the Indian Yoga Association (2025), he is recognized globally for his contributions to medical research. As an editorial board member of 45 indexed scientific journals and the author of 122 research publications, his work explores the neurophysiological and endocrinological benefits of yoga. His publications have a citation index of 800 on Google Scholar and 590 on ResearchGate, with a cumulative impact factor of H-index: 12 and i10-index: 15. He has 21 indexed publications (Web of Science: 6, Scopus: 12, PubMed: 4). He has delivered invited lectures across the USA, UK, Canada, Singapore, Dubai, Sri Lanka, and Thailand, further solidifying his impact on global medical discourse. 

He serves as a Visiting Professor at several esteemed institutions: 

1. Department of Electronics and Communication Engineering and Biomedical Engineering, National Institute of Technology, Tiruchirappalli

2. Department of Biomedical Engineering, Nandha Engineering College (NEC), Erode

3. Biomedical Science, Bharathidasan University (BDU), Tiruchirappalli

4. Department of Yoga, Morarji Desai National Institute of Yoga (MDNIY), Ministry of Ayush, Govt. of India

1.Study to predict vascular dysfunctions in high-risk young adults – an immediate noninvasivenvestigation to prevent early vascular aging -2015

2. Impact of Nadisudhi pranayam on perceived stress and vasomotor tone among young women -relevance to phase of the menstrual cycle -2017

3. Impact of Breath-Holding on Generalized anxiety disorder and Sinus arrhythmias in adults, portBlair, south Andaman- 2023.