Dianne Koehler

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 …

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.  …

Daina Rasutis, MS, NTM

Daina Rasutis, MS, NTM


Daina graduated with an MS in Civil Engineering with a focus on Sustainability, but found herself most interested in work related to food and environmentalism. In the last 6 years …

Karen Hardy, MNT, NFC


Over her career, Karen has worked in areas including inventory control, sales support, database management, and as the office manager at a legal support firm for more than a decade. …