Dr. James Greenblatt, MD, DAPN

Dr. James Greenblatt is a dual board-certified psychiatrist and internationally recognized pioneer in functional and integrative psychiatry. With more than three decades of clinical and academic experience, he is widely regarded as a leading authority on the use of nutritional and precision-based approaches to mental health, including low-dose lithium.

Dr. Greenblatt earned his medical degree from George Washington University, where he also completed his psychiatry residency, followed by a fellowship in Child and Adolescent Psychiatry at Johns Hopkins Medical School. He currently serves as Assistant Clinical Professor of Psychiatry at both Tufts University School of Medicine and Dartmouth’s Geisel School of Medicine.

A prolific author, Dr. Greenblatt has written nine books, including Finally Hopeful: The Personalized, Whole-Body Approach to Find and Fix the Root Causes of Your Depression, Finally Focused, Answers to Anorexia, Functional & Integrative Medicine for Antidepressant Withdrawal, and Nutritional Lithium: The Untold Tale of a Mineral That Transforms Lives and Heals the Brain. He is also the founder of Psychiatry Redefined, an international educational platform training clinicians in functional and integrative psychiatry.

Dr. Nancy O’Hara, MD, MPH, FAAP

Dr. Nancy O’Hara is a board-certified pediatrician and leading expert in integrative and functional medicine for children with chronic and neurodevelopmental disorders. She earned her medical degree from the University of Pennsylvania School of Medicine, graduating with honors and membership in the Alpha Omega Alpha Honor Society, and holds a Master of Public Health from the University of Pittsburgh.

After completing her residency, chief residency, and general pediatric fellowship at the University of Pittsburgh, Dr. O’Hara began her career in general pediatrics before transitioning to a consultative practice focused solely on children with special needs. Since 1999, she has specialized in the care of children with conditions such as ADHD, PANDAS/PANS, OCD, Lyme disease, and autism spectrum disorder.

Dr. O’Hara is the author of Demystifying PANS/PANDAS: A Functional Medicine Desktop Reference on Basal Ganglia Encephalitis, and a contributor to Integrative Therapies for Pediatric Anxiety, Depression, and ADHD. She is also recognized internationally for her leadership in clinician education and training in integrative pediatric care.

Jennifer Kraker, MD, MS

Dr. Jenn Kraker is a Columbia- and Cornell-educated precision medicine psychiatrist with over 20 years of clinical experience at the intersection of nutrition, genomics, and mental health. She specializes in helping high-functioning individuals enhance cognitive performance, emotional resilience, and physical vitality through personalized, data-driven strategies.

In addition to her medical training, Dr. Kraker holds graduate degrees in Human Nutrition and the Epigenetics of Mental Health from Columbia University. Her innovative approach integrates advanced laboratory analysis with the latest insights from neuroscience, nutritional biochemistry, metabolism, and genomics. Her clients receive clear, actionable treatment plans that address the root causes of cognitive and emotional challenges—empowering them to move beyond simply functioning to truly flourishing.

Dr. Emily Gutierrez, DNP, PNP-C, APRN, PCMHS, IFM-CP, CCN, FMAPS

Dr. Emily Gutierrez is a doctorally prepared nurse practitioner and nationally recognized expert in functional and integrative medicine. She specializes in neurological and mental health optimization across the lifespan, combining advanced clinical training in pediatrics, nutrition, and functional genomics.

A Doctor of Nursing Practice (DNP) graduate from Johns Hopkins University, Dr. Gutierrez also serves on the university’s faculty, where she teaches and lectures on evidence-based approaches to integrative healthcare. She is a Fellow of the Medical Academy of Pediatric Special Needs (MAPS), an Institute for Functional Medicine Certified Practitioner (IFM-CP), a Certified Clinical Nutritionist (CCN), and a Primary Care Mental Health Specialist (PCMHS).

As Chief Scientific Medical Liaison and Formulator for Neuro Nutrients, Dr. Gutierrez develops clinically informed supplements that support brain function and mental resilience. Through her clinical practice, she helps families and clinicians address the genetic, nutritional, and environmental factors driving chronic symptoms and mental health challenges.

Dr. Sharon Hausman-Cohen, MD, FAAFP, ABOIM

Dr. Sharon Hausman-Cohen is a Harvard-trained physician and leading expert in integrative medicine and medical genomics. She is board-certified in Family Medicine, a Fellow of the American Board of Integrative and Holistic Medicine, and certified in Integrative Medicine through the American Board of Physician Specialties.

With over 30 years of experience in family and functional medicine, Dr. Hausman-Cohen brings a systems-based, evidence-driven approach to patient care. As co-founder and Chief Science Officer of IntellxxDNA, she has played a pioneering role in developing genomic tools that help clinicians personalize treatment and prevention strategies.

In addition to her clinical practice, Dr. Hausman-Cohen leads ongoing clinician education, case conferences, and research on the application of genomics in medicine. She continues to advance the integration of genomic data into everyday clinical care to improve patient outcomes and resilience.

Dr. Biljana Mitanoska, PharmD

Dr. Biljana Mitanoska, PharmD, is a clinical pharmacist and precision medicine specialist with more than 18 years of experience in clinical pharmacology and genomics-based care. Known to many patients and colleagues as “Dr. Billie,” she combines scientific rigor with a deeply personal approach to patient wellness.

Dr. Mitanoska’s expertise spans pharmacogenomics, metabolic health, and personalized therapy design. Her practice focuses on transforming complex medical data into clear, actionable treatment strategies that fit seamlessly into each patient’s daily life. She is recognized for her ability to make advanced science accessible, empowering individuals to understand their health at the genetic and biochemical level.

Her work centers on integrating pharmacological precision with human connection—helping patients achieve measurable, sustainable improvements in health and quality of life.