We’re thrilled that you're exploring The Gut Center. The Gut Center was born out of a passion for holistic healing and preventative wellness coupled with a love of healthy food & nutrition, community, coaching, and look-good-feel-good self-care practices.


Mara Feil

Mara, Co-Founder of The Gut Center, is our fearless gut guru. Double Board Certified in Ayurveda, (with a specialty in Gut Health & Digestion) and Holistic Health & Nutrition, she's armed with Ayurvedic Nutrition training from Ayurveda’s World NYC and The Joyful Belly School Of Ayurvedic Diet & Digestion.

Adding to her expertise, she trained at The Institute for Integrative Nutrition, is Board Certified by the American Association of Drugless Practitioners at SUNY Purchase, and is also certified in Orthomolecular and Functional Nutrition.

Bringing zen to the hustle, she's a longtime Transcendental Meditator. She's also served as Vice Chair of The Children’s Health Council at New York Presbyterian Hospital/Weill Cornell Medicine. Mara deeply appreciates Western Medicine and the role it plays when integrated with alternative approaches.

In another life, Mara graduated cum laude from Goizueta Business School at Emory University and Emory College with degrees in Business and Journalism. A Miami native, Mara's called New York City home for nearly 20 years, with her husband and two children.

Katie Curi

Katie grew up in Dallas, Texas and relocated to New York City after graduating with a degree in Textiles & Apparel and Business from The University of Texas at Austin. Her career took her through many roles at Macy’s and Coach and then to a third, very full-time gig as a mother of three within four years. Needless to say, she was around a lot of sh*t!

Katie has helped build The Gut Center into a community of nearly 600. As The Gut Center's COO, Katie has been instrumental in supporting the launch of REBOOT and ReENTRY programs, all with the purpose of changing the gut health of America on bow(e)l at a time.  

She's a cheerleader and amazing resource for REBOOTers. Katie brings connection, levity and high-vibe energy to cleansers, even in the most challenging moments. 

Dr. Dannette Kallay

Dr. Dannette Kallay MD brings a wealth of expertise as a Medical Advisor at The Gut Center. A graduate of Mercer University School of Medicine, she completed her pediatrics residency at Emory University School of Medicine in Atlanta, GA, and a fellowship in Integrative Medicine at the Andrew Weil Center for Integrative Medicine. She holds dual Board Certifications from The American Board of Pediatrics and The American Board of Integrative Medicine, as well as a certification in functional medicine from The Institute for Functional Medicine. Dr. Kallay is also a certified yoga and meditation instructor.

Passionate about holistic care, Dr. Kallay integrates evidence-based modalities from conventional, complementary, alternative, and functional medicine to guide patients in their self-healing and health optimization journey. Trained in genomics by IntellxxDNA, she utilizes their clinical decision-making tool to understand the root causes of illness and to inform prevention and intervention strategies. Dr. Kallay operates a virtual practice, providing personalized medical care to patients of all ages, with a focus on health optimization. She collaborates with patients to design treatment plans for a wide range of conditions, including autism, ADHD, PANS/PANDAS, dermatologic and gut issues, cognitive issues, and immune system dysregulation.

Love gut health as much as we do?

We're always looking for people with a passion for digestion to join our small but growing team! Please reach out, we'd love to connect.