Expert Advisory Council

Dr. G. Sivaraman, Senior Siddha Physician, Public Health Advocate, Author, and Policy Contributor with 30+ years of clinical and institutional experience in Siddha medicine, integrative healthcare, traditional food systems, and preventive health promotion. Recognized for advancing Siddha medicine through clinical excellence, public health communication, policy engagement, and large-scale community awareness initiatives across India and internationally.

Founder and Chief Siddha Physician of Arogya Siddha Hospital and Managing Director of Arogya Health Care Pvt. Ltd., leading multidisciplinary traditional healthcare services integrating Siddha, Ayurveda, Yoga, Varma, and lifestyle-based therapeutic approaches. Instrumental in promoting evidence-informed Siddha medicine and functional nutrition for the management of non-communicable diseases and preventive healthcare.

Known for bridging traditional Tamil medical wisdom with contemporary public health priorities through research, nutraceutical development, academic leadership, and policy advocacy. Played a significant role in strengthening AYUSH integration through contributions to national committees including the National Siddha Pharmacopoeia Committee, Scientific Advisory Committee of the National Institute of Siddha, TKDL Expert Group, and AYUSH Working Group of the Planning Commission of India.

Served as Member of the Tamil Nadu State Planning Commission for five years, contributing to healthcare policy development, AYUSH integration strategies, and promotion of traditional medicine within public health frameworks. Recognized for aligning indigenous healthcare systems with sustainable community health models and preventive care approaches.

Delivered 250+ lead lectures and public health sessions across India and internationally, reaching more than 1,75,000 students, healthcare professionals, and community members on topics including Siddha medicine, traditional foods, millet nutrition, integrative medicine, cancer awareness, and lifestyle disease prevention.

Accomplished Tamil author with multiple widely recognized publications on Siddha medicine, functional foods, healthy living, environmental health, and Tamil cultural traditions. His writings have significantly contributed to improving public understanding of preventive healthcare and reviving interest in traditional food and lifestyle practices rooted in Tamil heritage.

Dr. Elie Abirached is a healthy aging strategist, author, entrepreneur, and international speaker dedicated to advancing longevity, wellness, and human performance. A Harvard alumnus and faculty member at the Geneva College of Longevity Science (GCLS), he is recognized as a leading voice in healthy aging and health optimization across the Middle East.

He is the founder of Restore Fitness, an innovative wellness and recovery center in Dubai, and creator of the Limitless Human program, a science-based framework focused on improving biological age, resilience, metabolic health, and long-term wellbeing through personalized lifestyle interventions and advanced diagnostics.

Through his work as an educator, author, speaker, and advisor, Dr. Elie's work has been featured across leading regional and international media, and he regularly speaks at global conferences focused on longevity, wellness, and human optimization.

At Three 5 Reviv, Dr. Elie provides strategic guidance on healthy aging, longevity science, health optimization, and the development of evidence-based programs that empower individuals to live longer, healthier, and more fulfilling lives.

Dr. Siri Chand Khalsa is a distinguished physician, educator, and healthcare leader with over 30 years of experience in clinical practice, medical education, and preventive healthcare. Trained in Internal Medicine, with advanced studies in Integrative Medicine, Nutrition, and Ayurveda, she is recognized for her multidisciplinary approach to advancing long-term health and healthy aging.

A graduate of the Mayo Clinic residency program, Dr. Siri Chand has dedicated much of her career to mentoring physicians, developing healthcare professionals, and contributing to medical education initiatives. Her expertise spans preventive medicine, lifestyle-based interventions, clinical nutrition, and physician leadership development.

As a member of our Advisory Board, Dr. Siri Chand provides strategic guidance, clinical insight, and academic expertise, supporting our commitment to delivering excellence in patient care and advancing evidence-based approaches to longevity and healthy aging.

Dr. Girish Kalva is a highly respected physician with over 25 years of experience in Internal Medicine, Obesity Medicine, and Preventive Healthcare. Board-certified in Internal Medicine and Obesity Medicine, he is recognized for his expertise in managing chronic health conditions through evidence-based, patient-focused care.

With extensive clinical experience across India, Jamaica, and the United States, Dr. Kalva has built a distinguished career dedicated to improving long-term health outcomes through preventive strategies, metabolic health management, and lifestyle-based medical interventions.

His areas of focus include cardiometabolic health, weight management, chronic disease prevention, and healthy aging. Through his clinical leadership and commitment to advancing modern healthcare practices, he has helped shape effective approaches to sustainable health and longevity.

As a member of our Advisory Board, Dr. Kalva provides valuable clinical insight and strategic guidance, supporting our mission to advance excellence in preventive healthcare and healthy aging.

John Boyer is a Doctor of Physical Therapy, Performance Scientist, and Medical Informatics specialist with extensive international experience in human performance, rehabilitation, sports science, and data-driven healthcare systems.

A former professional basketball player, Boyer has worked with elite organizations and athletes across Europe, North America, and the Middle East, including FC Bayern Munich, Adidas, the German Basketball Federation, EuroLeague teams, and leading academic and healthcare institutions. His expertise spans injury prevention, rehabilitation, return-to-play strategies, performance optimization, and advanced diagnostics.

He currently serves as Regional Lead for VALD across the Middle East, Africa, and Central Asia, supporting healthcare organizations, sports teams, universities, and performance centers in implementing objective assessment technologies and evidence-based performance systems. He is also Adjunct Faculty at the London Sports Institute, Middlesex University Dubai.

At Three 5 Reviv, Boyer provides strategic guidance on performance diagnostics, movement assessment, rehabilitation pathways, data-driven health optimization, and the integration of advanced performance technologies within healthy aging and longevity programs.