Endocrine &
Cardiometabolic
Health Mastery

David Benavides, MD, is faculty at Harvard Medical School and a board-certified sleep medicine physician in the Division of Sleep and Circadian Disorders at Mass General Brigham. He completed residency at the University of Michigan and is Harvard-trained in sleep medicine through his fellowship at Mass General Brigham. He is also a Diplomate of the American Board of Lifestyle Medicine. He is the founder of Sleepspan, a physician-led consulting practice focused on sleep and circadian health.

As a physician and educator, his work centers on sleep as a fundamental yet underused pillar of healthspan and cardiometabolic health. He has particular expertise in the relationship between sleep and cardiovascular disease, especially arrhythmias, and works closely with cardiology colleagues at Mass General Brigham on the care of patients with sleep and heart rhythm disorders. He also has clinical expertise in circadian rhythm disorders, and focuses on how sleep and circadian timing influence brain health, cognitive performance, and whole-body health.

Dr. Benavides has served as faculty for Harvard Medical School’s Sleep Medicine continuing medical education course, teaching on sleep, lifestyle, and weight. He trains residents and fellows in clinical sleep medicine at Mass General Brigham and co-chairs the subcommittee that organizes the American Academy of Sleep Medicine’s national Sleep Fellow Boot Camp. He presents at regional, national, and international medical meetings, has served as a peer reviewer for Mayo Clinic Proceedings, and has been featured in the Heart Rhythm Society’s media education programming. His expertise has also been featured in TIME, Newsweek, U.S. News & World Report, and on SiriusXM.

As the Owner and Medical Director of Crozier Clinic, he leads one of America’s top genetic-based clinics, specializing in personalized treatments using hormone optimization, IV therapy, peptides, and advanced diagnostic testing. His early experience as a Physician Assistant in Neurology, Neurosurgery, and Ophthalmology provided critical neurological insight that continues to inform his complex clinical protocols today.

Dr. Crozier’s passion for education is evident through his work as a clinical faculty member at the University of Kentucky and as a lead educator and curriculum developer for A4M (now Informa). He is also a steering committee member of the International Peptide Society and has trained over 250 centers nationwide in peptide therapy and integrative approaches to chronic disease. His expertise has made him a trusted lecturer on Lyme disease, mold-related illnesses, peptide science, and glutathione, with speaking engagements at Oklahoma University, national medical conferences, and numerous physician webinars. He has been featured on national television, WDBO Radio, and a wide range of podcasts.

A respected author, Dr. Crozier has co-authored leading integrative health publications with James LaValle and Dr. Andy Heyman and has written several books including Healing One Cell at a Time, Ticked Off, and Heal Your Cells. Save Your Life.

Dr. Crozier’s compassionate, cutting-edge care has earned him numerous accolades, including Consumers’ Top Physician, Top Educator, and Most Compassionate Physician.

He continues to set the standard for innovation in regenerative medicine, driven by his commitment to personalized care and ongoing, cutting-edge research that fuels new solutions in chronic illness and longevity medicine.

Felice Gersh, M.D. is a multi-award winning physician with dual board certifications in OB-GYN and Integrative Medicine. She is the founder and director of the Integrative Medical Group of Irvine, a practice that provides comprehensive health care for women by combining the best evidence-based therapies from conventional, naturopathic, and holistic medicine. She received her education at Princeton University, USC School of Medicine, Kaiser Hospital, and University of Arizona School of Medicine. She received the highly coveted Outstanding Volunteer Clinical Faculty Award, while teaching obstetrics and gynecology at Keck USC School of Medicine, where she served for 12 years as an Assistant Clinical Professor. She now serves as an Affiliate Faculty Member at the Fellowship in Integrative Medicine, through the University of Arizona School of Medicine, where she mentors and regularly grades the case presentations written by the Fellowship students for their final exams.

Felice Gersh, M.D. is the bestselling author of PCOS SOS, PCOS SOS Fertility Fast Track, and Menopause: 50 Things You Need to Know. She has also had numerous scientific articles published in peer-reviewed medical journals. Dr. Gersh is a prolific lecturer and has been featured in several films and documentary series, including The Real Skinny on Fat with Montel Williams, Fasting with Valter Longo, Ph.D., and The Business of Birth Control.

Yael is globally acknowledged as a leading expert in the field of nutrigenomics. In 2000, she was part of the team that built the first lifestyle genetics test, and since then has been responsible for the building of many others. She is the author of four books, The Power of Genetics, It’s Not Just Your Genes, Genes to Plate, and SNP Journal. Yael has been published in multiple peer-reviewed scientific journals, hosts the Power of Genetics podcast, and is a highly regarded speaker in genetics.

Yael built the first online nutrigenomics platform for clinician education and has developed and supervised genomics courses around the world. She has trained thousands of healthcare practitioners globally, also teaching at Rutgers University and the Maryland University of Integrative Health.

In 2018, Yael founded 3X4 Genetics and now serves as its Chief Science Officer.

James B. LaValle, B.S.Pharm, CCN, MT, DHM, DHPh is an internationally recognized clinical pharmacist, author, and board-certified clinical nutritionist, with over 40 years of clinical experience in natural products, lifestyle, drug/nutrient depletion, compounding pharmacy and peptides.

He has served thousands of clients, using a metabolic model for health, at his facilities in Orange County, CA, Austin, TX and formerly at LaValle Metabolic Institute, in Cincinnati Ohio.

He is the founder of Metabolic Code Enterprises, that pinpoints the metabolic roadblocks to health using a symptom survey, lab markers, biometrics, and wearable data.

He taught for 18 years as an appointed adjunct faculty member at the University of Cincinnati College of Pharmacy served as faculty at the College of Medicine at U.C. He is Adjunct Faculty for the Masters of Integrative Medicine program at the George Washington School of Medicine and Health Sciences.

As the clinical co-chair at the American Academy of Anti-Aging Medicine (A4M), he has trained thousands of health care professionals on the value of integrative health programs.

He is Chair of the International Peptide Society where he educates allied health care professionals on application of peptide therapies.

LaValle gained national recognition as National Clinician of the Year in 2012 by the Natural Products Association for his pioneering work in furthering the professional standards of integrative care, and in 2017 as Educator of the Year for American Academy of Anti-Aging Medicine.

Jim was named one of the “50 Most Influential Pharmacists” by American Druggist magazine.

He is author of more than 26 books including “Cracking the Metabolic Code,” and has authored 20 e-Books and four databases and well over 200 articles, as well as being published in peer-reviewed literature.

He is currently Chief Science Officer at Life Time “the healthy way of life company”.

Angela D. Mazza, DO, ABAARM, FAAMFM, ECNU is triple board-certified in Endocrinology, Diabetes and Metabolism, Internal Medicine, and Anti-aging and Regenerative Medicine. Dr. Mazza’s broad medical background includes significant research in both basic and clinical realms of endocrinology. Dr. Mazza is the founder of Metabolic Center for Wellness in Oviedo, FL, where she spends a great majority of her time caring for persons with autoimmune thyroid disease, thyroid nodules, and thyroid cancer. She is the only physician in Central Florida currently performing radiofrequency ablation (RFA) of thyroid nodules and saving thyroids from unnecessary surgery. She is also an international speaker, a best-selling author, and the host of her long-running podcast.

Highly regarded for her individualized approach to patient care, Dr. Mazza empowers each person to achieve their unique goals by providing education, lifestyle management and support. Dr. Mazza believes that hormonal changes that happen in women and men as they age play a huge part in their overall health, longevity, and quality of life. Her passion is helping her patients achieve metabolic as well as hormonal balance.

Mark Newman, MS, is a recognized expert and international speaker in the field of hormone testing. Mark spent 25 years developing and directing 24-hour urine, organic acid, and salivary hormone testing labs. His unique experience led him to pursue a revolutionary way to test hormones.

Mark began his own lab, Precision Analytical Inc., to create the most comprehensive functional hormone test available, DUTCH®—Dried Urine Test for Comprehensive Hormones. Mark is committed to making it easier for patients and their healthcare providers to answer complex clinical questions through extensive education on validated hormone research. He and his team of experts are dedicated to their mission of profoundly changing one life—and then a million more—through industry-leading functional hormone testing and education.

Dr. Tara Scott graduated from Northeast Ohio University College of Medicine and completed her residency with Summa Health Systems at Akron City Hospital in Ohio. She “retired” from OB/GYN after almost 20 years to focus on functional and integrative medicine. She is an Associate Clinical Professor at Northeast Ohio Medical University.

Dr. Scott is a certified menopause practitioner with the North American Menopause Society and a fellow of the American College of Obstetrics and Gynecology. She first became involved with hormone and integrative medicine while practicing as an OB/GYN. Her empathy for patients experiencing hormone-related issues led her to become trained as an advanced fellow and certified by the American Academy of Anti-Aging Medicine. In 2016 she obtained additional board certification in Integrative Medicine.

Dr. Scott is passionate about educating the medical community on the advances in evidence-based hormone therapy. She lectures around the community to raise awareness about wellness and hormone balance. Dr. Scott has spoken and educated for over 10 years and taught doctors her approach on 5 continents. She gave a TEDx talk in 2021 and for her expertise, she has been featured on The List TV, Women’s Health, Shape, The List, Newsweek, Parents, Authority Magazine, and numerous podcasts.

She has recently signed on with the University of California, Irvine, and the Samueli Integrative Health Institute to be the Course Director for Women’s Health for the new Integrative Medicine Fellowship. She is also involved in the Women’s Health certification for the Integrative Psychiatry Institute.

Myles Spar, MD is a leading authority in personalized performance medicine as an author, teacher, researcher, TEDx talk speaker, advisor to NBA players, and an Ironman athlete. He is also Chief Medical Officer for Wonder Health.

Dr. Spar is board-certified in Internal Medicine and a graduate of the University of Michigan Medical School. Additionally, he completed fellowships in Integrative Medicine at the University of Arizona and in Health Services Research at UCLA.

Dr. Spar is currently on faculty of AIHM (Academy for Integrative Health and Medicine) and AWCIM (Andrew Weil Center for Integrative Medicine) at the UofA. He’s the immediate past chair of the American Board of Integrative Medicine and a speaker at the Integrative Healthcare Symposium.

Dr. Spar was awarded the prestigious Bravewell Leadership Award for his work in Integrative Medicine with the underserved.

Dr. Swidan is President & CEO of NeuroPharm and former CEO of Pharmacy Solutions. She serves as Adjunct Associate Professor of Clinical Research and Leadership at the George Washington University School of Medicine and Health Sciences, and Adjunct Clinical Associate Professor of Pharmacy at Wayne State University.

She earned her Doctor of Pharmacy degree and completed a three-year research fellowship in Biopharmaceutics and Gastroenterology at the University of Michigan. Following her fellowship, she served as Director of Pharmacy at Chelsea Community Hospital and as the clinical pharmacist for the inpatient Headache and Chronic Pain Service, building an early career at the intersection of complex therapeutics, clinical research, and real-world patient outcomes.

Dr. Swidan is board certified, an advanced fellow in anti-aging and regenerative medicine, and an internationally recognized speaker in pain management, headache medicine, and hormone optimization (HRT). She has authored book chapters, peer-reviewed articles, and patient education resources focused on personalized medicine and the clinical management of head and general pain syndromes.

Most recently, Dr. Swidan contributed as an author to Metabolic Therapies in Orthopedics, Second Edition, which explores how optimizing metabolic pathways can improve regenerative outcomes through emerging technologies, integrative strategies, and clinical evidence from over 30 expert contributors. Her work highlights drug-related muscular pain, sarcopenia, and the impact of hormones on musculoskeletal function and recovery.

Dr. Swidan also co-edited and authored Advanced Therapeutics in Pain Medicine, featuring global thought leaders and delivering practical frameworks that expand the clinician’s toolbox for complex pain syndromes. Her latest release, co-authored with Dr. Matthew Bennett, MD, is Mastering Chronic Pain—a clinically actionable, systems-based guide designed to help clinicians move beyond symptom suppression toward durable, root-cause pain recovery.