Dianne Koehler, Nutrition Therapy Institute Director

Dianne Koehler, MNT, Director

ntischoolFaculty, Staff

Currently owner and Director of Nutrition Therapy Institute (NTI) in Arvada, CO, Dianne has been a leader in the field of nutrition education for 15 years. She is committed to …

Kristen Burkett, NTI School

Kristen Burkett, MS, MNT

Dianne KoehlerFaculty

Kristen is a Master Nutrition Therapist and founder of Nourishing Transformations LLC, practicing in Highlands Ranch, CO and across the country with distance clients. Kristen is passionate about empowering women …

Greg Durocher, holistic health business instructor

Greg Durocher

Dianne KoehlerFaculty

Greg Durocher is Co-founder and CEO at SafeRide4Kids.com, a successful e-commerce business.  In 2014 Greg was looking for ways to expand Safe Ride 4 Kids and knew that he needed a formal business …

Jacqui Gabel, Certified Natural Food Chef, NTMC

Jacqui Gabel, NFC, NTM


Jacqui Gabel’s enthusiasm for travel, wellbeing, and human connection have led her to kitchens throughout the U.S., South America, and Asia. She’s gathered experiences and knowledge by spending time with …

Kelly Hatke, MNT

Dianne KoehlerFaculty

Kelly Hatke is a Master Nutrition Therapist (MNT) practicing in Boulder, CO (and virtually).  She applies a functional and holistic approach specializing in nutrition for hormone balance, autoimmune nutrition, blood sugar …

Lauren Friarson, M.A., MNT

Dianne KoehlerFaculty

Certified Master Nutrition Therapist and Fitness Professional, Lauren Simms has been practicing nutrition, coaching one-on-one, and educating others for nearly two decades. Lauren’s greatest passion is assisting people to eat …

Tami Miller

Dianne KoehlerFaculty

Tami Miller is the owner of Sage Nutrition Coaching, Inc. in Wheat Ridge, CO. Her educational background is in Molecular Biology, Biochemistry, Mycology and Nutrition. Tami did research at the …

Amber Frazier is a nutrition therapist master and natural food chef instructor at NTI.

Amber Frazier, NTM, NFC

Dianne KoehlerFaculty, Staff

Amber is a self-proclaimed nutrition nerd.  She found NTI as a student after many years of passionately pursuing health and wanting to learn how to thrive rather than just survive.  …

Dr. Megan Hammel, Naturopathic Doctor

Dr. Meg Hammel, ND

Dianne KoehlerFaculty

Dr. Megan Hammel is a board-certified Naturopathic Doctor based in Denver, Colorado where she specializes in Pediatric Health and Family Medicine. Graduating with Honors from the National University of Natural …

William Gonglach holds a doctorate in Naturopathic Psychology

William Gonglach, DN.Psy


William (aka. Dr.G), has an eclectic background with a BS in Human Health and Diet Science, an MS in Biology, and a doctorate in Naturopathic Psychology, and holds additional postgraduate …