Dr. Peter Kozlowski, MD – Functional Medicine Expert & Innovator
Dr. Peter Kozlowski is a leading Functional Medicine practitioner with over a decade of experience dedicated to transforming healthcare through root-cause, integrative approaches. Trained initially in Family Practice, Dr. Kozlowski advanced his expertise under the mentorship of renowned leaders such as Dr. Mark Hyman, Dr. Deepak Chopra, and Dr. Susan Blum. This unique blend of traditional and cutting-edge functional medicine informs his holistic, patient-centered care philosophy.
Creator of Root Cause Practice Pro (RCPP)
Dr. Kozlowski is the visionary behind Root Cause Practice Pro (RCPP), an advanced AI-powered platform designed to empower both clinicians and individuals navigating complex chronic health conditions. RCPP delivers step-by-step, evidence-based protocols addressing autoimmune, metabolic, gut, hormonal, and mental health disorders—making expert functional medicine guidance accessible worldwide.
Author, Educator & Clinical Writer
As the author of Unfunc Your Gut and Get the Func Out, Dr. Kozlowski offers clear, practical insights on nutrition, gut health, immune balance, hormone regulation, detoxification, and the mind-body connection. His work emphasizes the interplay of these systems in chronic disease development and recovery.
A sought-after national speaker and clinical writer for Function Health, Dr. Kozlowski is celebrated for making complex medical concepts accessible and actionable for diverse audiences. He also serves as a writer for Function Health, contributing his expertise to advance the field and educate both clinicians and the public.
Selected Speaking Engagements
IFM’s Annual International Conference (AIC 2025)
San Diego, CA
The largest global gathering of functional medicine practitioners.A4M 33rd Annual Spring Congress
West Palm Beach, FL | 2025
Toxic Heavy Metals: Health Consequences and Detox Strategies
Mosaic Diagnostics | Online Workshop | 2024Toxicant Detectives: Environmental Exposures and Detoxification
Mosaic Diagnostics | Online Workshop | 2024Optimizing Fertility: The Power of Genomics and Functional Medicine
IntellxxDNA Genomics Conference | Austin, TX | 2024Precision Medicine in Cardiology: Genomics and AI in Atherosclerosis and Hypertension
IntellxxDNA Genomics Conference | Austin, TX | 2024Top 5 Tools to Support Proper Body Composition Through Detoxification
Personalized Lifestyle Medicine Institute Conference | Chicago, IL | 2024Aging Gracefully: Mental and Cognitive Health via Functional Medicine
Mosaic Diagnostics | Online Workshop | 2024Beyond the Silence: Unraveling Hypertension, the Silent Killer
TrueBlue Company | Online Workshop | 2024Gut Health & Get the Func Out
Health and Wellness Expo | Schaumburg, IL | 2023Immune Health
Source Naturals Live Webinar | December 11, | 2021Functional Medicine in Autism
Keynote, Natural Parenting Conference | Grand Rapids, MI | 2019Importance of Detox in Autism
Keynote, Elevated Summit benefiting Generation Rescue | Chicago, IL | 2019Applying Functional Medicine (AFMCP Training)
Seattle 2019; Chicago 2017, 2018, 2019
Personal Life
Beyond his professional achievements, Dr. Kozlowski cherishes his roles as a devoted husband to Mackenzie, proud father to his daughter Sawyer and soon-to-arrive baby boy, and bulldog dad. His personal commitment to health and family fuels his passion for transforming healthcare and empowering others.
Mackenzie Kozlowski
Meet Mackenzie Kozlowski, an award-winning hospitality expert whose illustrious career began in traditional hospitality and now Functional Medicine for over four years, has been defined by a remarkable blend of skills and qualities that have set her apart in the industry. Born and raised in a small town, Mackenzie’s journey to becoming a hospitality trailblazer began with a passion for creating memorable experiences for others.
From the early days of her career, Mackenzie’s natural aptitude for kindness and her genuine caring nature quickly became evident. Her ability to connect with people on a personal level, coupled with a tireless work ethic, laid the foundation for her success. Colleagues, clients, and patients alike are drawn to Mackenzie’s warmth and sincerity, making her an indispensable asset in any setting. In switching over to the Functional Medicine field, another one of Mackenzie’s standout qualities is her exceptional listening skills. This, combined with her unwavering positive attitude, made her a beacon of optimism for our patient’s, creating an environment where everyone feels supported and confident they’ll be able to heal. She has her own personal experience in recovering from mold toxicity as well as endometriosis, which creates an environment of realistic hope.
Her journey stands as a testament to the transformative power of kindness, hard work, caring, active listening, effective communication, attention to detail, leadership, patience, a positive attitude, reliability, and multitasking first in the world of hospitality and now in Functional Medicine care.