Meet the Medical Team

Board-certified clinicians combining preventive medicine, diagnostics, and performance-focused care.

Dr. Desmond Wilson, MD

Chief medical officer
Dr. Desmond Wilson, MD: leads the clinical and performance-medicine strategy to help individuals stay active, resilient, and healthy over decades.

A board-certified internist, Dr. Wilson earned his MD from Sidney Kimmel Medical College at Thomas Jefferson University (2013) and completed his internal-medicine residency at University of Pennsylvania Health System (2013-2016).

Before joining Eternal, he practiced internal medicine and built expertise in proactive health and performance optimization. At Eternal, he integrates advanced diagnostics, wearable data, and a multidisciplinary care team, spanning physicians, nutritionists and coaches to translate performance-medicine principles into everyday care.

He is passionate about “closing the health-span gap” and enabling people to continue doing what they love through smart, data-driven, whole-person care. Dr. Wilson is an ultra-runner and father of two boys.

Dr. Maribeth Orr, MD

eternal CLINICIAN
Dr. Maribeth Orr is dual board certified in Family Medicine and Obesity Medicine.

After a rewarding and highly successful career as a family doctor for 16 years, she retired in 2021 to pursue full time treatment of metabolic dysfunction with a comprehensive approach at helping patients achieve and maintain optimal health throughout their lifespan.

Dr. Orr is dedicated to addressing the medical, behavioral, and psychological aspects of metabolic dysfunction, providing personalized and evidence-based care tailored to each patient’s unique needs. Dr. Orr is actively involved in education and teaching at medical conferences.

As a supplement to her clinical work, Dr. Orr takes great pride in being an age-group competitive triathlete and CrossFitter. She is a Level 1 CrossFit trainer and 2024 CrossFit Open quarterfinalist using her skills and knowledge to help her patients with the movement pillar of metabolic health.

She has been married to her husband, Michael, for 27 years and they have 4 children- Truman, Maizey, Lainey, and Pullen.

Dr. Carla DiGirolamo, MD

Women’s Health Dir, Menopause Specialist, and OB/GYN
Dr. Carla DiGirolamo specializing in helping active and high-performing women reach their performance potential from puberty through menopause.

She's a a Board Certified Obstetrician/Gynecologist, Reproductive Endocrinologist and Menopause Society Certified Practitioner.With her experience in the fitness industry, and nearly two decades of experience in women’s hormonal care, she takes a holistic approach to wellness, performance and support women through life-stages and hormonal shifts.

Fitness and nutrition serve as the foundation with medical therapy integrated as needed to ensure that women are thriving.” Dr. DiGirolamo went to medical school at Harvard University and is affiliated with Beth Israel Hospital in Boston.

Maureen Kreider, NP

ETERNAL CLINCIAN, NYC
Maureen Kreider is a board-certified Adult-Gerontology Primary Care Nurse Practitioner with more than 25 years of experience across acute care, outpatient medicine, occupational health, and employee wellness. She is known for her prevention-focused, relationship-driven approach and her ability to build trust through clear communication and thoughtful care. With a background in sports medicine and leadership of large wellness programs, Maureen helps patients stay active, healthy, and confident across every stage of life.

Stephanie Baubie, NP

ETERNAL CLINCIAN, SAN FRANCISCO
Stephanie Baubie is a board-certified Family Nurse Practitioner with over five years of experience delivering personalized, integrative care rooted in lifestyle medicine and functional diagnostics. She specializes in hormonal and women’s health, gut health, autoimmune and inflammatory conditions, and cardiometabolic risk, and is known for her collaborative, patient-centered style. Stephanie partners closely with patients to uncover root causes and build realistic, sustainable plans that support long-term health.

Dr. Stacy Sims, PHD

Female Athlete Health and Performance Nutrition Specialist, ETERNAL HEALTH & PERFORMANCE ADVISOR
Dr. Stacy Sims: internationally recognized exercise physiologist and nutrition scientist specializing in female physiology and performance.

She is widely known for her groundbreaking work on sex differences in training, nutrition, and recovery, and for translating cutting-edge research into practical guidance for women across the lifespan.

Dr. Sims holds a PhD in Exercise Physiology and has spent over two decades working with athletes and active women worldwide. She is the author of ROAR and Next Level, and a sought-after speaker known for challenging one-size-fits-all approaches to health and performance for women.

Dr. Kevin Sprouse, MD

Medical Advisor
Dr. Kevin Sprouse: trained and certified in both Sports and Emergency Medicine. He serves as the Head of Medicine for EF Education First Pro Cycling and works with elite and professional athletes across numerous sports and disciplines, including professional cycling, triathlon, PGA golfers, NFL players, Olympic track and field athletes, and many more.

Dr. Sprouse’s unique experience and expertise are sought by high-performing athletes, executives, and health-conscious individuals across the country and around the world. Dr. Sprouse obtained a degree in Exercise Science at Wake Forest University before attending medical school at the Virginia College of Osteopathic Medicine at Virginia Tech. He then completed his Emergency Medicine residency in New York City, where he was selected to be Chief Resident.

Following residency, he completed a fellowship in Sports Medicine at the Steadman Hawkins Clinic in Greenville, SC. The focus of his academic interests and practice has been the care of the high-performance athlete, as well as how exercise, diet, and recovery affect the health and well-being of all active individuals at any level.

Dr. Sprouse believes that Sports Science and Sports Medicine are uniquely positioned to provide health and performance insight to all patients, regardless of whether they consider themselves athletes.
"Eternal combines details of human performance and clinical medicine for a holistic view of people who are active and want to stay that way for decades to come.”
Dr. Stacy Sims, PhD
Eternal Advisor / Female Physiologist and Nutrition Scientist
"What truly sets Eternal apart is its integrated approach. I’m proud to be part of this mission, and I can’t imagine navigating my own health journey without this kind of support.”
Dr. Rick Celebrini, PhD
Eternal Advisor / VP Player Health and Performance, Golden State Warriors
"What I learned about myself with Eternal has been more useful than any testing I had as a professional athlete. Now, as an Eternal advisor, I delight in being able to use my coaching and racing experience to help others get on the right track for their goals.”
Lauren Fleshman
Eternal Advisor / Coach, Author, and Former Pro Track and Field Athlete
"Across my entire medical career I’ve worked with professional and collegiate athletes  who have access to the highest level of attention and testing. I’m excited to be a part of Eternal, where anyone who cares about their health and performance can get access to this level of care.”
Dr. Kevin Sprouse, DO
Eternal Advisor / Sports Medicine / Performance Consultant for EF Pro Cycling