Specialists

Digital Smile Design, prosthodontics, oral rehabilitation, ozone dentistry, and oral-systemic health

Abigail Goshen, PhD

Head of ResearchIn-Person

Aging epidemiology and innovation lead shaping Sheba's frailty, nutrition, and biomarker research program

Fatma Goubaa, MBBS

Staff PhysicianIn-Person

Botox, fillers, PRP, mesotherapy, and skin boosters from a GP-trained aesthetic injector

Shamandree Govender, MD, eMBA

CMOIn-Person

Anaesthesia-and-critical-care specialist leading clinical operations with a focus on cardiometabolic health and midlife women

Licensed massage therapist providing therapeutic bodywork inside the Elitra Exam day

Jeffrey Graham, MD, MPH

CMOVirtual + In-Person

Family and sports medicine physician bringing lifestyle medicine, metabolic risk, and athlete recovery into Wild Health care

Nathan Graville

Co-Founder

Software founder and Geviti CEO building bloodwork-led preventive telehealth after losing his father to late-detected cancer

Susan Grey

Executive

Bliss, THE WELL, Remede, Starwood, and Arch Amenities Group operator shaping the concierge experience

Andy Griffiths, OBE, FRCA, FCMI

Consulting PhysicianVirtual + In-Person

Anaesthetist, OBE, and former NHS Deputy Medical Director advising GHS on governance and care-system design

Nicole Grignoli, RT(R)(CT)

Clinical LeadIn-Person

CT technologist supporting cardiac CT, DEXA, full-body CT, and imaging flow at PLC New York

Joy Groszczyk, PA-C

Physician AssistantIn-Person

Hormone optimization, peptides, aesthetics, and regenerative care from a PA-C with 20-plus years across women’s health and acute care

KIF-licensed physiotherapy and functional training with AWF Warsaw rehab and handball team experience

Leonard Guarente, PhD

Co-Founder

MIT aging biologist and Elysium Chief Scientist known for foundational sirtuin and NAD+ research

Leonard Guarente, PhD

Scientific Advisor

MIT Novartis Professor and sirtuin pioneer advising the personalized blood, DNA, and wearables analytics platform

Marcelo Guedes, RD

DietitianIn-Person

Sports and functional nutrition using labs, anthropometry, food-intolerance data, and genetic panels

Longevity doctor on House of Gaia’s physician roster for integrative assessments and program delivery

Chaim Haber, MD

Staff PhysicianIn-Person

Internal-medicine physician working on SHARP study recruitment, body-composition methods, and AI in longevity care

Michael Hall, MD, MSc

FounderVirtual + In-Person

Concierge longevity, hormone therapy, house calls, telemedicine, and FAA HIMS exams from a board-certified family physician

Daniel Hamberg, Leg. Fysioterapeut

Co-FounderIn-Person

Ultrasound-guided PRP, sports rehab, and strength-based physiotherapy from Revi's Head of Partnerships

Andrea Hanken

Executive

25+ years across NY-Presbyterian and Mount Sinai, now shaping partnerships and client experience across three centers

Founder leading Aetas, suPAR platform strategy, R&D direction, partnerships, and the member experience

Robert Hariri, MD, PhD

Co-Founder

Placental stem cell pioneer and Celularity founder bringing regenerative-science depth to Fountain Life

Donna Hayek, RD

DietitianIn-Person

Nutrition counseling tied to cardiac CT, DEXA, RMR, food diaries, and weight-management data

Johan Hedevåg, MD

Co-FounderIn-Person

Regenerative medicine, hormone care, and longevity protocols from Revi's physician CEO and former Kry product leader

Christin Hegreness, WHNP

Nurse PractitionerTelehealth

Women's health NP for menopause, perimenopause, HRT, and weight management with years of OB/GYN experience

Tara Hendricks

Executive

Finance-and-operations leader running day-to-day operations behind a personalized-nutrition and biomarker analytics platform

Alyssa Hendrix, PA, PA-C

Physician AssistantIn-Person

Physician assistant focused on preventative and metabolic health, with prior orthopedics, pain management, and plastic surgery experience

Gilberto Hernandez, MD, PhD

Medical Director

Internal medicine physician with a Caltech PhD in muscle biology, leading the SF Bay Area Biograph clinic after seven years at Kaiser Permanente

Richard Hernandez, MD

Staff PhysicianIn-Person

Internal medicine physician bringing cardiac-health and lifestyle counseling into Elitra's exam-day review

Jeanne Hicks, APRN, AGCNS-BC, LAc

Nurse PractitionerIn-Person

Premium Membership APRN at Grove ATX with adult-gerontology nursing, acupuncture, Chinese herbology, and integrative-care depth

Giavonna Hirtes, RD

DietitianIn-Person

Medical nutrition therapy for diabetes, adult obesity, cardiometabolic health, and prevention

Serena Holtsinger, INHC

Health CoachTelehealth

Double-certified senior health coach at Lifeforce; integrative nutrition plus circadian and light biology, working with members telehealth from Vermont

Kurt Hong, MD, PhD

Scientific AdvisorTelehealth

USC Keck professor and founding director of its Center for Clinical Nutrition; advising Lifeforce on proactive care, metabolic health, and clinical nutrition

Dermatologist and co-founder leading Healthi Life regenerative aesthetics, peptide, IV/NAD+, and performance medicine

Mariella Hutton, MSc

PsychologistIn-Person

Psychologist focused on resilience, emotional regulation, behaviour change, and the mindset side of healthy ageing

Mark Hyman, MD, IFMCP

CMO

Functional medicine physician, author, and Function CMO shaping the platform's biomarker and nutrition lens

Kashif Irshad, MD, MSc, FRCSC

Co-FounderIn-Person

Thoracic and bariatric surgeon leading Lifespire's biomarker-driven prevention model as medical director and co-founder

Joel Jackson

Co-FounderTelehealth

Canadian technology and healthcare operator, Lifeforce Co-Founder and President, focused on product, AI, and consumer experience

Naveen Jain

Founder

Viome founder and serial entrepreneur commercializing national-lab RNA science for consumer health testing

Janusz Jankowski, MD, PhD, FRCP

Consulting PhysicianIn-Person

Reflux, Barrett's esophagus, GI cancer prevention, fatty liver, and evidence-heavy gastroenterology

Natalie Jiaravanont, L.Ac., MATCM

Clinical LeadIn-Person

TCM practitioner and acupuncturist with fertility, gynecology, autoimmune, pain, and hormone-balance depth

Adiv Johnson, PhD

Head of Research

Aging-biology lead behind the CheekAge / TallyAge epigenetic clock — University of Arizona PhD with 40+ peer-reviewed papers

Operations-focused co-founder shaping the systems behind Aetas's Hellerup clinic and suPAR platform

Power and strength coaching from a former national-team discus thrower and Paris 2024 athletics coach

Royal College-certified cardiologist with two decades in heart failure care, AI cardiac monitoring, and precision-health platform building

William Kapp, MD, MS, FAAOS

CEO

Orthopedic surgeon and former USAF flight surgeon building Fountain Life's standardized longevity-center model

Elliot Karathanasis

Co-Founder

Co-founder and product operator shaping Humanaut's member experience, clinical workflow, and platform layer

Seyedmohammad Kasaei, MD

Staff PhysicianIn-Person

Cardiac MRI, coronary CT angiography, echo, and preventive cardiology from an imaging-focused cardiologist