Longevity medicine with one mission: live better and longer, together.

It begins with listening. It proceeds with evidence.

Your understanding of yourself is invaluable to your care, so we start there. Then we test: more thoroughly than typical primary care, but carefully selected for relevance, using the most advanced, actionable precision diagnostics available. Clinical data plus your goals, expectations, and preferences becomes a roadmap toward your optimized self.

Everest is a longevity practice first. For members of Base Camp, Ascend, and Summit, we also serve as your primary care practice: the physicals, the labs, the prescriptions, and the questions in between. Patients on the Executive Physical, a focused program, or single visits keep their existing physician, and we coordinate with them.

Research-grade rigor. A human heart.

Our research background equips us to investigate new options and reevaluate established practice. We do not simply accept conventional wisdom, and we apply the same rigorous, open-minded standards to vitamins, herbs, supplements, and alternative therapies as we do to mainstream medicine.

Selected for analytical skill and altruism.

Our commitment to longevity medicine is deeply personal, rooted in real-world experience with illness and aging. We select people who can navigate the complexity of longevity research, translate it into practical clinical care, and remain a genuine pleasure to be around.

Danielle Ruiz

MSN, APRN, AGNP-C

Medical Director & Co-Founder · Clinical architect of the Methuselah Protocol™

Danielle became a Fellow of Geriatric Medical Research with the Methuselah Foundation in 2016, researching evidence-based methods to extend life, prevent disease, optimize health, and measure biologic age and function. She has lectured at international conferences on longevity, with her own case studies as the basis of her research. She earned her Master of Science in Nursing from George Mason University, is a Board Certified Adult-Gerontology Nurse Practitioner, and became Medical Director in 2020 with one goal: a protocol that measurably improves the lives of her patients.

Sergio Ruiz

CEO & Co-Founder · Executive Director of the Methuselah Foundation · Managing Director of the Methuselah Fund

Sergio drives the clinic's mission to make advanced longevity and healthspan optimization accessible to those committed to living longer, stronger, and more vibrantly. An entrepreneur, philanthropist, and investor, he has guided several biotechnologies focused on extending healthy human lifespan from academic roots to commercial success. He holds a degree from the University of Maryland, a certificate in Genetics and Genomics from Stanford University, and a Postgraduate Program Certificate in Artificial Intelligence and Machine Learning from the Texas McCombs School of Business.

David Gobel

Longevity and Healthspan Consultant · Co-Founder and CEO of the Methuselah Foundation

A pioneer of longevity science, David was among the first to publicly discuss longevity escape velocity, the point at which technology extends life expectancy faster than time passes. A philanthropist, serial entrepreneur, inventor, and futurist, he provided the inspiration for the Methuselah Protocol™ and has been personally involved in creating it.

Samuel Boakye, M.D.

Collaborating Physician

Dr. Boakye has practiced family medicine since 1996. Board certified in Family Medicine and a Fellow of the American Academy of Family Physicians, he completed his internship and residency at Howard University Hospital, where he served as Administrative Chief Resident. Based in New York, he is associated with Englewood Hospital and Garnet Health Medical Center.

Olivia Lesslar, M.D.

Medical Advisor

An Australian-educated physician, Dr. Lesslar specializes in preventative medicine, psychoneuroimmunology, and complex conditions including neurodegeneration and long COVID. She works closely with Griffith University's National Centre for Neuroimmunology and Emerging Diseases, serves on the Board of Advisors to the Dean of Medicine of the National University of Singapore, and was featured in the NYC Journal 50 under 50 in 2021.