The team at Human Longevity
10 practitioners on file · California
Abigail (last name not listed), MD
Longevity Physician – Cardiology & Internal Medicine
Board-certified with a clinical background in Cardiology and Internal Medicine, she has a passion for disease prevention and whole-person care. She has been recognized with Scripps' 'Honored Caregiver' award by her patients.
David Karow, MD, PhD
Chief of MRI & Genomic Analytics
Dr. Karow is internationally recognized as an innovative leader in MRI imaging and genomic analytics and a proponent of data-driven precision medicine and AI. He graduated from the University of Michigan Medical School in a combined MD/PhD program and completed residency at UC San Diego and fellowship at UC Los Angeles.
Dr. Dinenberg, MD, MPH
Integrative Medicine Physician
Fellowship-trained in Integrative Medicine with over 18 years of experience bringing mindfulness practices to healthcare. He completed his residency at UCSF and earned his MPH at UC Berkeley, previously worked at Scripps Memorial, and co-founded a population health company. He has also written books on mindfulness.
Dr. Guyer, MD
Longevity Physician
A Yale graduate and UCSF-trained, board-certified Internal Medicine physician with 25 years of clinical experience. She combines internal medicine expertise with an integrative, holistic approach and draws on hospital medicine, nutrition, mind-body medicine, functional medicine, and cognitive behavioral therapy.
Dr. O'Byrne, MD
Longevity Physician – Internal & Vascular Medicine
Dr. O'Byrne graduated from Rutgers Medical School and completed her residency in Internal Medicine & Vascular Medicine and her fellowship at Cleveland Clinic and the Andrew Weil Center.
Jessica Kelley, MSN, AGPCNP-BC
Longevity Clinician
With over a decade of clinical experience, most notably in Internal Medicine at Scripps Clinic Torrey Pines, Jessica is Board-Certified in Adult and Gerontology Primary Care with dual degrees as Nurse Practitioner and Clinical Nurse Specialist. Her approach encompasses holistic and lifestyle measures tailored to the individual.
Keon Pearson, MD, MBA
Medical Director – San Francisco & Director, Executive Health
Dr. Pearson is a board-certified internal medicine physician specializing in preventive care and longevity medicine. A Harvard graduate with early research in aging, he holds a dual MD/MBA from Stanford where he also completed his internal medicine residency. His clinical interests include cardiology, lipidology, and kidney dysfunction.
Madison Pachoe, DNP, FNP-BC
Longevity Clinician
A board-certified Family Nurse Practitioner who received her BS in Biology from Georgetown University. After working for the CDC, she completed her Master's and Doctorate in Nursing at Columbia University with a subspecialty in women's health.
Tina Ziainia, MD, FACOG
President & Medical Director – San Diego; Chief of Women's Health
Dr. Ziainia is President, Medical Director of San Diego, and Chief of Women's Health at Human Longevity. She has over 25 years of clinical experience, has received awards including Top Doctors of San Diego and the Sharp Rees Stealy Physician Excellence Award, and specializes in hormone optimization. She was previously an assistant professor at Saint Louis University and a physician at Sharp Rees Stealy.
William D. Keen, MD, FACC
Chief of Cardiology
Dr. Keen has over two decades of clinical and academic experience. Prior to HLI he was Assistant Medical Director and Chief of Echocardiography, Adult Congenital Heart Disease, and Internal Medicine at Kaiser Permanente, and he maintains a Clinical Professor of Medicine appointment at UCSD.