NAI Certification Calendar

CIG and CIH courses are managed by individual instructors, not through NAI’s national office. If you are interested in hosting or finding a CIG or CIH course in your area, please visit our See Who's Certified page to find an instructor near you.


Looking to become a trainer with NAI? Click below for upcoming courses:
Certified Interpretive Guide Train-the-Trainer Courses
Certified Interpretive Host Train-the-Trainer Courses

Virtual Certified Interpretive Guide Courses

In response to the COVID-19 pandemic, NAI is allowing the CIG to be taught virtually for a limited time. The certification requirements are the same as a face to face offering and please note the location of your instructor as this may conflict with your time zone/location.


March 1-12, 2021
Instructor: Clark Hancock, Austin, TX


March 1 - April 5, 2021 This Course is Full!
Instructor: Nikki Julien, Payson, AZ

March 7-17, 2021
Instructor: Scott Davison, Woodstock, VT

March 10-26, 2021 (Taught In Spanish) This Course is Full!
Instructor: Eliezer Nieves-Rodriguez, San Juan, Puerto Rico


March 15-26, 2021 This Course is Full!
Instructor: Brian Janson, Anchorage, AK

March 15-25, 2021
Instructor: Tim Merriman, Kealakekua, HI


March 21 - April 2, 2021
Instructor: Scott Davison, Woodstock, VT

March 22 - April 1, 2021
Instructor: Suzanne Zgraggen, Salt Lake City, UT

March 23-26, 2021
Instructors: Monique Thompson and Katherine Mercier, Fort Collins, CO

April 5-12, 2021
Instructor: Megan Trumper, Gig Harbor, WA

April 5-30, 2021
Instructor: Jennifer Loyd-Pain, Worcestershire, United Kingdom

April 13-21, 2021
Instructor: Yvette Mendez, Brookfield, IL


April 13 - May 6, 2021
Instructor: Scott Davison, Woodstock, VT

May 1-22 2021
Instructors: Monique Thompson and Erin Gates, Fort Collins, CO

May 4-27 2021
Instructors: Kristjana Eyjólfsson and Christine Morris, Missoula, MT

May 25 - June 3, 2021
Instructor: Yvette Mendez, Brookfield, IL


In-Person Certified Interpretive Guide Courses

March 2-5, 2021 | Littleton CO This Course is Full!
South Platte Park

April 12-16, 2021 | Billings, MT
Western Heritage Center

May 1-9, 2021 | Loveland, CO
Viestenz-Smith Mountain Park

May 24-27, 2021 | Kalispell, MT
Flathead Valley Community College

August 16-19, 2021 | Milford, OH
Cincinnati Nature Center


Certified Interpretive Host Courses


Check back for more offerings soon!


Courses Offered by the NAI National Office

Workshops can be requested by contacting NAI at 888-900-8283. Professional categories of Certified Interpretive Trainer, Certified Interpretive Planner, Certified Interpretive Manager, and Certified Heritage Interpreter do not require attendance at a workshop to apply for or achieve certification. See certification handbook for details. However, the Certified Interpretive Guide Trainers workshop is required for anyone who wants to train others using NAI's CIG or CIH curricula.

NAI teaches 5-7 CIG Train-the-Trainer and 3-4 CIH Train-the-Trainer workshops per year. Please stay tuned to this website for additional dates as they are posted once confirmed.

Virtual Certified Interpretive Guide Train-the-Trainers

In response to the COVID-19 pandemic, NAI is allowing the CIT Train the Trainers courses to be taught virtually for a limited time. The certification requirements are the same as a face to face offering and please note the location of your instructor as this may conflict with your time zone/location.

March 29 - April 9, 2021
Instructor: Karin Hostetter and Andre Copeland, Fort Collins, CO


Virtual Certified Interpretive Host Train-the-Trainers

In response to the COVID-19 pandemic, NAI is allowing the CIT Train the Trainers courses to be taught virtually for a limited time. The certification requirements are the same as a face to face offering and please note the location of your instructor as this may conflict with your time zone/location.

Check back soon for more offerings in 2021!