NAI Certification Calendar

CIG and CIH courses are managed by individual instructors, not through NAI’s national office, manage CIG and CIH courses. 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

Certified Interpretive Guide Courses


July 25-28, 2017 | West Columbia, TX
Varner-Hogg Plantation State Historic Site

July 25-28, 2017 | Odem, TX
Nueces Delta Preserve

August 5-13, 2017 | Phoenix, AZ
Phoenix Zoo

August 15-18, 2017 | Palm Desert, CA
The Living Desert

August 15-18, 2017 | Athens, OH
Ohio University

August 16-19, 2017 | Tifton, GA
Georgia Museum of Agriculture & Historic Village

August 17 - September 7, 2017 | Springfield, IL
Old State Capitol State Historic Site

August 21-24, 2017 | Lisle, IL
The Morton Arboretum

August 22-25, 2017 | Milford, OH
Cincinnati Nature Center

August 28 - September 1, 2017 | Brookfield, IL
Brookfield Zoo

September 11-14, 2017 | Estes Park, CO
Rocky Mountain National Park

September 11-14, 2017 | Norwalk, CT
The Maritime Aquarium

September 18-21, 2017 | Bellevue, NE
Fontenelle Forest Nature Center

September 25-28, 2017 | Sandy Springs, GA
Chattahoochee River National Recreation Area

October 16-20, 2017 | Chicago, IL
Lincoln Park Zoo

October 21-29, 2017 | Paul Smiths, NY
Paul Smiths College

October 24-27, 2017 | Millersville, MD
Maryland Environmental Service

November 7-10, 2017 | Littleton, CO
Carson Nature Center at South Platte Park

November 13-16, 2017 | Bretton Woods, NH
AMC Highland Center

November 27-30, 2017 | Tulsa, OK
Oxley Nature Center

December 5-8, 2017 | Millersville, MD
Maryland Environmental Service

January 8-11, 2018 | Phoenix, AZ
Phoenix Zoo

January 29 - February 19, 2018 | Peoria Heights, IL
Forest Park Nature Center

February 5-8, 2018 | Pensacola, FL
Florida Public Archaeology Network Center

Certified Interpretive Host Courses

August 30-31, 2017 | Tulsa, OK
Oxley Nature Center


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.

Certified Interpretive Guide Train-the-Trainers


July 24-28, 2017 | Fort Collins, CO
NAI National Office

September 24-28, 2017 | Kirkwood, MO
Powder Valley Nature Center

October 23-27, 2017 | Seattle, WA
Klondike Gold Rush National Historical Park

Certified Interpretive Host Train-the-Trainers

September 29-30, 2017 | Kirkwood, MO
Powder Valley Nature Center

COMBINED Certified Interpretive Guide and Host Train-the-Trainers

September 24-30, 2017 | Kirkwood, MO
Powder Valley Nature Center