World-Renowned Team

Dr. Tim Cook is one of the world’s foremost experts in longevity medicine, having served as a personal physician to sitting heads of state and worked within Canada’s largest bank in actuarial services, giving him a rare perspective on both human health and lifespan risk. With decades of experience advancing preventive, functional and root-cause care, his work focuses on identifying and addressing biological dysfunction before it becomes disease, so decline is never accepted as inevitable.  

Under Dr. Cook’s leadership, Unlimited Life members receive deeply personalized medical insight designed to protect healthspan, resilience and long-term vitality.

Visionary medical technologist and wellness innovator with decades of experience blending advanced neuroscience, biofeedback, and electromagnetic therapies.

Dave Asprey is the creator of the biohacking movement, now a $36B global industry. He is the author of nine bestselling books on neuroscience, mitochondria and longevity, and the host of The Human Upgrade, the Webby Award-winning podcast with over 500 million downloads. 



Over the past two decades, he has worked with more than 1,000 entrepreneurs, celebrities and professional athletes, collaborating with world-renowned doctors and researchers to push the boundaries of human performance and lifespan.



Asprey is the founder of the Beyond Biohacking Conference, entering its 14th year in 2026 and 40 Years of Zen, a pioneering brain optimization program designed to deliver measurable cognitive transformation.

Marc and Craig Kielburger are globally recognized leaders in fulfillment, human potential and purpose-driven living, bringing decades of experience helping individuals create meaningful, high-impact lives. Marc is a Harvard- and Oxford-educated New York Times bestselling author, certified health coach and Co-Founder of the Dalai Lama Center, with deep ties to New York and a background that bridges performance, wellness and leadership. He has received 10 honorary doctorates and is an active biohacker, integrating cutting-edge health practices into his work on fulfillment and longevity.



Craig is a New York Times bestselling author and internationally recognized social entrepreneur, as well as the youngest-ever graduate of the Kellogg-Schulich Executive MBA program. He has received 15 honorary doctorates and has been honored with some of the world’s most prestigious awards, including the Order of Canada, the Nelson Mandela Freedom Medal and the World Children’s Prize for his leadership in education and human rights. He currently serves as Chancellor of Legacy College.



Together, Marc and Craig are co-authors of multiple bestselling books, including What Is My Legacy?, written with Martin Luther King III and Arndrea Waters King, which explores the concept of “Living Legacy” through neuroscience, psychology and lived experience. They also co-host the My Legacy podcast, a syndicated iHeartRadio show featuring conversations with global leaders on purpose, connection and impact. Through their work, they help individuals align success with fulfillment, meaning and lasting contribution.

Céline is an expert Fulfillment Coach on the senior team of the Unlimited Life program alongside co-founders Dave Asprey, Dr Tim Cook, and Marc Kielburger.
Her work focuses on personalized life coaching support for the members as well as on site guidance, leadership, and workshop facilitation during longevity adventure retreats.