Specialists

John Cummins, MBBS, MPH, FRACP

FounderIn-Person

FRACP consultant physician and Executive Medicine founder with public-health training and life-insurance CMO roles

Caroline Currie

Executive

Verily and Apple Health Studies alum running consumer product for a Cambridge-based blood biomarker and DNA analytics platform

French-trained aesthetic medicine with Thermage, Ultherapy, Fraxel, injectables, PRP, and skin-aging prevention

Michal Daniel, MD

Medical DirectorIn-Person

Swedish Specialist in General Medicine leading Revi's medical protocols across longevity, hormones, and regenerative care

Johns Hopkins-trained OB/GYN and New York medical director helping lead Next Health's clinical operations

Matthew Dawson, MD

CEO

Emergency-medicine physician and Wild Health co-founder now leading TruDiagnostic's epigenetic testing lab

Jenell Decker, MD

Medical DirectorTelehealth

Board-certified family physician and AgelessRx Medical Director overseeing clinical quality for nationwide telehealth care

Renée Deehan, PhD

Executive

Computational biologist directing the AI engine behind a personalized blood, DNA, and wearables analytics platform

Louis Degnan, MS, CPT, NSCA-TSAC-F

Exercise PhysiologistIn-Person

Exercise physiology with tactical strength, cardiac stress-testing, EKG, telemetry, and PT-aide experience

Kristina DeGrandi

Clinical LeadIn-Person

Clinical Coordinator supporting the Shelton exam-day workflow across testing, consults, and handoffs

Ryan Dellinger, PhD

Head of Research

Elysium VP of Scientific Affairs leading product science, collaborations, and TIME-A study work

Anil Dhar, MBBS, MD, DNB

FounderIn-Person

Internal medicine, diabetes, BP, vaccination, and preventive longevity care from a former GMC Jammu faculty physician

Peter Diamandis, MD

Co-Founder

XPRIZE founder and Harvard-trained MD building longevity companies around early detection and healthspan technology

Longevity nutrition blending Mediterranean, Japanese, macrobiotic, microbiome, and anti-inflammatory food planning

Emilissa Domingo, DO

Staff PhysicianIn-Person

Hormone, weight, IV, and regenerative care from an ER-trained DO with deep Rhode Island experience

Jim Donnelly

CEO

Restore Hyper Wellness founder applying a retail-clinic scaling playbook to physician-led longevity care

Dimitrios Doumitsas, BSc, MSc

ExecutiveIn-Person

Greek healthcare-operations leader supporting Astrea's precision-medicine clinic model

Patrick Doyle, NBHWC

Health CoachTelehealth

Board-certified health coach focused on behavior change, performance, and holistic habits between telehealth consults

Varun Dwaraka, PhD

Head of Research

Founding TruDiagnostic bioinformatician leading methylation pipelines, biological-age models, and peer-reviewed studies

Yan Dyshkalps

Executive

Engineering leadership and HIPAA/SOC 2 compliance operations behind a personalized blood, DNA, and wearable analytics platform

Anna Emanuel, MD

Medical DirectorVirtual + In-Person

Double-boarded family and integrative physician for hormones, metabolism, digestion, weight, sleep, and prevention

Melissa Faulk, PA-C

Physician AssistantVirtual + In-Person

Men's health and hormone replacement from a PA-C with Army, flight-surgeon, orthopedic trauma, and cardiology experience

David Fein, MD

FounderIn-Person

Founder-physician focused on cardiac CT, calcium scoring, chronic disease prevention, and same-day executive health

Recently licensed physician supporting House of Gaia longevity programs and medical assessment stations

Jennifer Fichera Macaluso, DO

Staff PhysicianIn-Person

Hormone optimization and sexual wellness from a board-certified family medicine DO with deep South Florida primary-care experience

Roger Fielding, PhD, FACSM

Scientific Advisor

Tufts sarcopenia researcher behind the FNIH muscle-loss definition and the LIFE Study on exercise for older adults

Daniel Fink, MD

Staff PhysicianTelehealth

TRT and injury-recovery peptide therapy from a University of Michigan-trained physician with environmental medicine board training

Stefan Flores, MD

Staff PhysicianTelehealth

Emergency-medicine trained optimization physician focused on hormones, metabolic health, and athletic performance

Caroline Fontes, MD

Staff PhysicianIn-Person

Lifestyle medicine and nutrology with cardio-thoracic radiology training and family nutrition depth

Betsy Foster

Co-FounderIn-Person

Whole Foods veteran running Love.Life after building medical centers, wellness benefits, and growth strategy at scale

Julie Foucher, MD

Staff PhysicianVirtual + In-Person

Family physician using nutrition, movement, recovery, and an elite-athlete lens for chronic-condition care

Despina Frazetta, PA-C

Physician AssistantIn-Person

Hormone optimization, metabolic health, peptides, GLP-1, and lifestyle-driven care from the Westchase PA-C

Yoshiaki Furuyama

Founder

Founder-operator behind Tokyo Relife Clinic, Jiyugaoka Clinic Group integration, and a University of Tokyo cellular-senescence chair

Running mechanics and racket-sport prep from a former Polish national-team long jumper

Silvina Gallaher, PA-C

Physician AssistantIn-Person

Women’s hormones, bioidentical pellets, peptides, metabolic health, and migraine-related hormone care from the Winter Park lead PA-C

Diya Ganguly, DBA, CPsychol

PsychologistIn-Person

Burnout, anxiety, trauma, ADHD, and cognitive assessment from a British Chartered Psychologist in Dubai

Anna Lourdes Garcia

Health Coach

Lead life coach for mindset, behavior change, and holistic wellbeing inside House of Gaia programs

Revitalizing medicine with ozone, IV nutrients, cellular bioanalysis, and intravenous laser therapy

Haydee Perdon Garnace, RN

Nurse PractitionerIn-Person

Registered nurse with 16+ years in aesthetic medicine supporting House of Gaia longevity programs

Internal medicine, palliative care, and longevity medicine from GCLS Director of Education and LifeSummit Berlin co-founder

Family medicine DO bringing an osteopathic lens to Elitra's executive physicals

Maria Michaela Gerasimou, RN, BSc, MSc

Nurse PractitionerIn-Person

Registered nurse coordinating patient communication and sampling for Astrea's genetics and longevity programs

Christoforos Giatzakis, PhD

Scientific AdvisorIn-Person

Scientific manager overseeing Astrea's sequencing, variant calling, and clinical-genetics lab pipeline

Bogdan Goia, MS, NASM-CPT

Health CoachTelehealth

Fitness and nutrition advisor with NASM training, InBody assessment, and a 30-minute strength methodology

CEO of a consumer epigenetic-age testing company, scaling a longevity brand built around DNA methylation and supplements

Sandra Gollogly, RDN

DietitianIn-Person

Clinical nutrition for diabetes, cardiac, oncology, wound-healing, and adult weight-management needs

Eden Rose Gonzales, RND

DietitianIn-Person

Registered Nutritionist-Dietitian and DOST scholar supporting nutrition plans inside House of Gaia programs

Ivanna González Carrasco, MD

Independent PracticeIn-Person

Integrative internal medicine for SIBO, IBS, Hashimoto's, microbiota, and gut-thyroid questions