Most Recommended Preventive Medicine Experts

As I am a medical expert for Invigor Medical, a urologist, and an MD currently completing my PhD in clinical medicine, my work bridges patient care, education, and research. I serve as a teaching assistant in surgery, where I guide and support future doctors while treating patients in everyday practice. My research focuses on oncologic urology, men’s health, and hormonal health, and I actively collaborate on international studies. Through these roles, I am dedicated to advancing evidence-based medicine, improving patient outcomes, and helping shape the future of urological care.

*Board-Certified Family Medicine Physician (ABFM) with 14+ years clinical experience (based in Chicago, IL) *Named Castle Connolly Top Doctor (2024, 2025) *Medical Media Commentator seen on/in ABC 7, Fox 32, CBS 2, WGN 9, The Chicago Tribune , Chicago Sun Times, and Everyday Health; including a nationwide 25 interview satellite media tour (TV & radio, November 2025) *Premedical Student Mentor, Urban Bridges Medical Mentoring Program Dr. Rene is a board-certified Family Medicine physician and Fellow of the American Academy of Family Physicians (FAAFP) with 14+ years of clinical experience. She provides comprehensive primary care for Medicare-eligible patients at Oak Street Health's Avalon Park location in Chicago, specializing in chronic disease management, preventive care, healthcare equity, and access for underserved communities. After overcoming 50 medical school rejections, Dr. Rene graduated from Indiana University School of Medicine and completed residency training at Ascension Saint Joseph Hospital - Chicago. She developed the L.Y.M.I.T.S. Method—a framework for transforming limitations into your greatest strengths. She mentors aspiring physicians through the Urban Bridges Medical Mentoring Program. Dr. Rene has appeared as a medical expert on ABC 7, Fox 32, CBS 2, and WGN 9 Chicago and recently completed a 25-interview national satellite media tour. She is available for expert commentary on resilience in healthcare, medical education equity, resilience and overcoming failure, healthcare access for underserved populations, and diversity in medicine.

Dr. Chantal Lunderville, MD is a UCSF-trained family medicine physician and nationally recognized expert in medical wellness, aesthetics, compliance, and practice growth. She serves as the Medical Wellness Editor for Lipgloss and Aftershave, a leading spa industry publication with a reach of more than 250,000 readers and followers. She has been mentioned in Forbes, and she has been a featured speaker for global brands including L’Oréal and Epicutis. As the medical director for 20+ aesthetic and wellness practices across California, Dr. Lunderville specializes in helping doctors, nurses, and entrepreneurs build safe, compliant, and scalable practices. She and her team have developed proprietary software that enables medspas to track compliance, medical director oversight, and regulatory requirements- now being made available to the public to elevate industry standards. She has also hosted large-scale women's wellness events and professional trainings with sponsors such as goop Kitchen, AQ Solutions, UnderSkin, South Coast Psychiatry, and Reproductive Partners. A former medical spa owner turned national consultant, Dr. Lunderville empowers women in aesthetics to build legacy-driven, ethical businesses. She is also a leader in longevity and preventive wellness, blending evidence-based lifestyle wellness with advanced regenerative treatments. She is also an aesthetic and womens health trainer focusing on new practitioners. Dr. Lunderville is available for expert commentary on aesthetics, medical wellness, compliance, women’s entrepreneurship, and the future of longevity medicine.

I’m passionate about redefining what modern healthcare can look like. After graduating with my Bachelor of Medicine and Bachelor of Surgery from the University of Auckland, I wanted to combine clinical medicine with innovation, which led me to create Selfcaremen, a fast-growing men’s health platform now operating across New Zealand and Australia. My goal has always been to make preventative healthcare more accessible, engaging, and relevant for men, blending strong clinical standards with a fresh, modern approach.Alongside building Selfcaremen, I continue to invest heavily in my own training and development. I work as an Occupational Medicine Physician and RACP/AFOEM Registrar with Sonic Healthcare in Melbourne, where I’m undertaking specialist training with The Royal Australasian College of Physicians in Occupational and Environmental Medicine (2025–2029). I’ve also completed a Postgraduate Diploma in Occupational and Environmental Medicine from the University of Otago and hold a Postgraduate Certificate in Women’s Health. This background allows me to bring a practical, well-rounded perspective to healthcare, sitting at the intersection of clinical work, workplace health, and entrepreneurship.

Dr. Gail Clifford is a dedicated and experienced Internal Medicine Hospitalist with a passion for both patient care and the intricate processes that keep healthcare running smoothly. Trained at St. Louis University, New York Medical College, and Carnegie Mellon University, she specializes in diagnosing and treating hospitalized adults. A Fellow of both the American College of Physicians and the Society of Hospital Medicine, she brings expertise and heart to her work. Beyond the hospital, she’s a sought-after speaker, podcaster on Single Mom MD, and a best-selling author, contributing to The Expert’s Cure and Mommy Magic: Anatomy and Sex Education for Pre-Schoolers. Whether mentoring colleagues, improving medical systems, or writing to educate and inspire, she finds joy in every aspect of her career—while always making time for her own adventures and interests.

Dr. Shiv Goel, MD is a board-certified physician and the founder of Prime Vitality Care, a physician-led functional medicine and wellness clinic based in San Antonio, Texas, with telehealth services available to patients in all 50 states. Dr. Goel trained in internal medicine and functional and integrative medicine, and has spent his career building a practice model that treats the root causes of poor health rather than managing symptoms in isolation. His clinical philosophy is grounded in the understanding that hormones, metabolism, inflammation, gut health, and mental well-being are deeply interconnected systems — and that lasting health improvements require addressing all of them together. Prime Vitality Care specializes in physician-supervised GLP-1 medical weight loss programs using semaglutide and tirzepatide, bioidentical hormone replacement therapy (BHRT) for women, testosterone replacement therapy (TRT) for men, peptide therapy including Sermorelin, BPC-157, and PT-141, and comprehensive functional medicine consultations for patients with chronic fatigue, gut dysfunction, autoimmune concerns, and metabolic disease. Dr. Goel is a sought-after expert on the clinical application of GLP-1 therapies, the role of hormonal imbalance in weight resistance, and the future of physician-led telehealth medicine. He speaks regularly to the gap between what conventional medicine offers patients with metabolic dysfunction and what a root-cause, functional approach can deliver when the right diagnostics and time are applied. Through Prime Vitality Care's HIPAA-compliant telehealth platform, Dr. Goel brings the same standard of clinical depth and personalization to patients nationwide that San Antonio patients have relied on in person — with lab coordination through local Quest Diagnostics or CPL sites and all prescriptions compounded and shipped directly to patients.

Hi, I'm Dr. Jeffrey Mark, M.D., a gastroenterologist and functional medicine expert with over 30 years helping people just like you get back to feeling their best. I've dedicated my life to fixing gut health issues, balancing hormones, and tackling heart and energy problems from the root cause—not just masking symptoms with endless meds. My own story started young: At age 10, a bad infection from travel nearly took my life due to a wrong antibiotic, sparking my passion to help others avoid that pain. Later, in my 40s, I battled fatigue, weight gain, high blood pressure, and brain fog from heavy metals and mold toxicity. Using functional and regenerative medicine, I healed myself and now share those tools with you. I earned my B.S. in Neurophysiology from Northwestern University, my M.D. from the University of Illinois College of Medicine, did my internal medicine residency at Northwestern, and specialized in gastroenterology at Chicago Medical School. I'm also certified in medical acupuncture from UCLA and 5X board-certified in functional medicine, anti-aging and regenerative medicine, gastroenterology, obesity medicine, and internal medicine. This lets me blend the best of traditional care with cutting-edge therapies like peptides, PRP, exosomes, and personalized plans. At The Real Gut Doctor, my focus is you: We create custom diets, supplements, and lifestyle tweaks to restore your vitality, mental sharpness, and joy. Whether it's beating IBS, colitis, or low energy, I've guided countless patients to ditch meds, heal after surgery, and live fuller lives. No extreme diets or guesswork—just real results. If you're tired of feeling off and ready for change, let's chat. Visit therealgutdoctor.com or book a discovery call—I'm here to empower you every step of the way!

Dr. Geny Augustine is a physician at Solace who knows firsthand how challenging the U.S. healthcare system can be for patients. Having worked with diverse patient populations throughout her career, she's seen how the system's complex nature can create unnecessary barriers to getting good care—which is exactly what drew her to Solace's mission of putting patients first. Dr. Augustine completed her medical education in Bonaire, Netherlands Antilles, and previously worked as a Family Medicine physician for Banner Health in Glendale, Arizona. She's passionate about improving patient care, leading quality improvement projects like her work on hypertension management in urban environments, which earned honorable mention for the SLUHN Quality Improvement Award in 2020. Fluent in English with intermediate Spanish skills, she brings both clinical expertise and cultural understanding to her patient relationships. When she's not advocating for patients, Dr. Augustine enjoys fitness, culinary arts, fine arts, travel, and volunteer work—pursuits that reflect her belief in whole-person wellness and giving back to her community.

Dr. Daniel Ghiyam is a board-certified physician who focuses on hormone optimization, metabolic health, and personalized preventive care. His clinical work includes managing thyroid, adrenal, and sex hormones for both men and women, as well as reducing cardiometabolic risk and providing care based on root cause. Dr. Ghiyam is known for a practical, evidence-based approach that focuses on choosing the right treatment for each person, using the right delivery methods, and clearly teaching patients about their health at all stages of life.

Dr. Augustine Anadu is a board-certified obstetrician and gynecologist. He provides in-person and virtual care for women, focusing on pregnancy, reproductive health, and gynecologic conditions. With an emphasis on screening and early detection, he also promotes awareness of breast and cervical cancer.

Dr. Yoon Hang “John” Kim is a board-certified integrative medicine physician with over 20 years of clinical experience dedicated to root-cause, patient-centered care. He is widely recognized as one of the leading clinical experts on Low-Dose Naltrexone (LDN) therapy, having authored three books and more than 20 articles on the subject, and leads the LDN Support Group—a thriving community of over 7,000 members. Dr. Kim completed his Integrative Medicine Fellowship at the University of Arizona’s Andrew Weil Center for Integrative Medicine, where he trained under the mentorship of Dr. Andrew Weil as a prestigious Osher Fellow. He holds board certifications in both Preventive Medicine and Integrative/Holistic Medicine, along with certification in Medical Acupuncture from UCLA. He was also a scholarship recipient from the Institute for Functional Medicine (IFM), further deepening his expertise in functional medicine approaches to complex chronic conditions. His clinical expertise spans integrative oncology—informed by deeply personal experience supporting family members who are now cancer survivors—chronic pain management, and the treatment of complex conditions including SIBO, MCAS, and autoimmune disorders. He brings a unique combination of conventional medical rigor and evidence-based complementary therapies to every patient encounter. Dr. Kim is the founder of Direct Integrative Care, a membership-based telemedicine practice that deliberately limits enrollment to ensure deep, personalized physician-patient relationships. His practice serves patients across six states—Iowa, Illinois, Missouri, Texas, Georgia, and Florida—operating entirely outside the constraints of insurance systems to preserve clinical independence and patient-first decision-making. A featured speaker at the LDN Research Trust conferences, Dr. Kim is a passionate educator who shares his expertise through his clinical and professional websites, a YouTube channel, and educational platforms including LDNSupportGroup.com. His personal motto—“Luck favors the prepared bold”—reflects his commitment to courage, preparation, and innovation in medicine.

I'm a board-certified internist and former primary care physician with over a decade of clinical experience. Now, I specialize in functional and lifestyle medicine and help adult men and women address chronic health concerns through a personalized, root-cause–focused approach. I have a special interest in longevity and identifying under-recognized cardiometabolic risk, particularly in Asian American patients, where traditional screening tools may underestimate risk. My approach is inclusive, culturally informed, and evidence-based, helping patients optimize their whole health and increase their health span.

I am a physician specializing in longevity medicine, regenerative therapies, and functional health optimization. My work focuses on understanding how the body performs and adapts over time — not treating isolated symptoms, but identifying what drives them. Every protocol I design begins with clinical data: biomarkers, metabolic patterns, hormonal baselines, and long-term health objectives. From there, I build a structured, personalized strategy that evolves as the body responds. My training includes international certifications in lifestyle medicine — I am certified by the American Board of Lifestyle Medicine (ABLM) — as well as regenerative medicine, IV nutrition therapy, and cellular therapy. At Healthi Life, I personally design and supervise every longevity program. The goal is never short-term improvement. It is sustainable biological performance — measured, monitored, and refined over time. I believe medicine should follow the person, not the other way around. That is what we built this house for.

Dr. Ayesha Bryant, M.S.P.H, M.D. is a physician, clinical scientist, and associate professor dedicated to translating complex medical research into practical health solutions. With more than 100 peer-reviewed publications and multiple textbook chapters, Dr. Bryant is recognized for her contributions to perioperative outcomes research, preventive medicine, and quality-of-life improvement. She currently serves as a clinical advisor at Alpas Wellness, a drug, alcohol & mental health treatment center in Maryland. She completed her medical training at the University of Alabama at Birmingham School of Medicine and Emory University, with additional training in epidemiology and public health. Her research has been featured at major national and international conferences, including the Society of Thoracic Surgeons and the American Association for Thoracic Surgery. Dr. Bryant’s expertise spans functional medicine, AI-driven healthcare algorithms, and national clinical data registry research. She is passionate about combining evidence-based medicine with real-world wellness strategies to improve patient outcomes and preventive care. In addition to her academic work, she has written for Rupa Health, where she shares insights on how readers can live healthier, more vibrant lives.

I am a practicing clinical pharmacist with over 20 years of experience and a graduate of St. John’s University School of Pharmacy in Queens, NY. With an undergraduate background in compounding and natural medicine, I have served in various capacities across the pharmaceutical industry before founding Fusion Medical Care in Scottsdale, AZ. My career is defined by my dedication to a balanced approach between natural and allopathic medicine, a passion that led me to develop a complete wellness center housing multiple integrative practitioners. Beyond my foundational education, I have advanced my specialized training through the Professional Compounding Centers of America and am a Certified Diplomate of the American Board of Anti-Aging Health Practitioners. I believe that my role as a pharmacist offers the perfect opportunity to fuse naturopathic and allopathic care, acting as a dedicated advocate for my patients' pharmacological and wellness needs. My mission is to empower patients to look and feel amazing by following my core philosophy: "Let your food be your medicine, your kitchen be your pharmacy, and your lifestyle be your doctor". My innovative approach to healthcare has earned me national recognition, including an honor in Marquis Who’s Who and a featured interview with VoyagePhoenix highlighting my journey and the mission behind Fusion Medical Care.

Michelle Seguin, MD, FAAFP, DipABLM is a board-certified Family Medicine and Lifestyle Medicine physician and certified functional medicine practitioner (FMCP-M) with over a decade of experience integrating food-as-medicine into clinical care, community health, and medical education. She currently practices at Root Functional Medicine. Dr. Seguin designed and implemented the first produce prescription program in Michigan's Upper Peninsula, with outcomes research published in Health Promotion Practice. She has held academic appointments at Michigan State University College of Human Medicine and the Medical College of Georgia, where she co-developed curriculum in culinary and lifestyle medicine. She frequently serves as an expert source for national health and wellness media.

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Dr Jim Robinson is an NHS GP and Clinical Lead at Uniquely Health, working at the intersection of frontline medicine, lifestyle science, and real-world behaviour change. With over a decade of experience in the NHS - spanning General Practice, Emergency Medicine, GP training, and clinical education - Jim brings a grounded, practical perspective on lifestyle-driven disease, burnout, and prevention. Recognised by the Royal College of General Practitioners as a GP with Extended Role in Lifestyle Medicine and holding Core Accreditation with the British Society of Lifestyle Medicine, Jim’s philosophy is simple: preventative medicine isn’t an optional add-on - it’s the most powerful and underused clinical tool we have.

Medical Director of MI Express Urgent Care as well as MI Express Primary Care. Dual board certified MD, in Internal Medicine and Obesity Medicine, specializing in comprehensive weight loss medicine, adult primary care, urgent and occupational medicine with additional expertise in geriatrics, acute care/hospitalist medicine. I have experience with utilization management, healthcare marketing and healthcare policy through my various roles in these institutions. Passionate about creating and growing health promoting policies and programs in addition to utilizing my expertise to grow products and tools including tech, to innovate a functional and better way to care for our population.