The Clinical Team

  • Mark Hyman, MD

    Medical Doctor  

    Dr. Mark Hyman is at the forefront of a health revolution, using food as medicine to boost longevity, energy, mental clarity, and happiness. A practicing family physician, Dr. Hyman is an internationally recognized leader in Functional Medicine. He’s the founder of The UltraWellness Center and serves as Senior Advisor for the Cleveland Clinic Center for Functional Medicine. 

    In addition to being a 15-time New York Times best-selling author, he founded the Food Fix Campaign and co-founded Function Health, where he’s Chief Medical Officer. As the host of The Dr. Hyman Show podcast, with over 150 million downloads, you can catch him regularly on CBS This Morning, Good Morning America, and CNN. 

  • Elizabeth Boham, MD, MS, RD

    Medical Doctor and Registered Dietitian
    Dr. Elizabeth Boham is a physician and registered dietitian who practices Functional Medicine at The UltraWellness Center in Lenox, MA. She’s Board Certified in Family Medicine from Albany Medical School, with a BS in nutrition biochemistry from Cornell University and an MS in nutrition education and applied physiology from Columbia University. 

    Through her practice and lecturing, Dr. Boham has helped thousands of people achieve their goals of optimum health and wellness, and trains other physicians to utilize nutrition in healing. Dr. Boham is on the faculty of the Institute for Functional Medicine and has been featured on The Dr. Oz Show and in the Huffington Post. 

  • Maggie Ward, MS, RDN, LDN

    Registered Dietitian

    Maggie is the Nutrition Director at The UltraWellness Center and holds a master’s degree in Nutrition from Bastyr University, with a focus on holistic nutrition therapy. She became a registered dietitian after completing her training at Westchester Medical Center. 

    For over 15 years, Maggie has counseled individuals, families, and business groups on therapeutic diets to address various health concerns. Her expertise includes food allergies, digestive disorders, inflammatory conditions, and sports nutrition.

  • Lisa Dreher, MS, RDN, LDN

    Registered Dietitian

    Lisa Dreher is a registered dietitian with a master’s degree in Nutrition and Integrative Health from the Maryland University of Integrative Health. She completed her dietetic internship through Cornell University. 

    Before joining The UltraWellness Center, Lisa worked in pediatric gastroenterology at the University of Rochester Medical Center, counseling children and families with complex gastrointestinal conditions. Lisa has a passion for functional nutrition, inspired by her own health journey, which led her to address root causes and find true wellness. 

The Customer Care Team

  • Amber

    Amber has over 10 years of experience working alongside Dr. Hyman, where she’s developed a deep understanding of wellness and customer care. As a mom of four, she’s made health a priority in her own family, which helps her relate to the challenges customers face. Amber and her family now live in Utah, where she enjoys hiking and exploring the outdoors.

  • Carol  

    With eight years of customer service experience across multiple industries, Carol is skilled at providing attentive, solution-focused support to everyone she helps. She finds working with Dr. Hyman’s Supplement Store incredibly rewarding, as it lets her guide customers toward products and programs that support their health and wellness. Carol lives in Florida, where she enjoys photography, staying active, and spending time in nature.

  • Justin

    Justin lives in Southern California and has a professional background in logistics, marketing, and sales. His own struggles with gut health led him to discover the healing power of Functional Medicine and nutrition—giving him a unique perspective on the challenges people face. Now, he enjoys using his personal experience to support family, friends, and Dr. Hyman customers in improving their health.

  • Mara

    Mara has been part of Dr. Hyman’s team for three years, bringing a personal passion for health and wellness shaped by her own health journey. She enjoys connecting personally with customers and values providing one-to-one, human support in a world that increasingly feels too automated. Mara lives in Florida with her husband and dog, where she spends her free time walking, enjoying the beach, and cooking healthy meals.

  • Mary  

    Mary has been part of Dr. Hyman’s team for nearly six years and holds a certification in wellness coaching from the Functional Medicine Coaching Academy. She brings both knowledge and care to every customer interaction, helping people make informed decisions about their health. When she’s not at work, Mary enjoys sewing, camping, and spending time with her cat and partner.