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


June 21-24, 2019 | Slippery Rock, PA
Robert A Macoskey Center for Sustainable Systems Education and Research

July 16-19, 2019 | Milford, OH 
Cincinnati Nature Center

August 6-9, 2019 | Odem, TX 
Nueces Delta Preserve

August 12-16, 2019 | Brookfield, IL 
Brookfield Zoo

August 15-20, 2019 | Phoenix, AZ 
Phoenix Zoo

August 19-22, 2019 | Lisle, IL 
The Morton Arboretum

August 19-22, 2019 | Little Rock, AR 
Historic Arkansas Museum

August 20-23, 2019 | Westminster, CO 
Butterfly Pavilion

August 26-30, 2019 | Grand Canyon, AZ 
Grand Canyon National Park

September 3 - November 5, 2019 | Columbus, OH 
The Ohio State University

September 10-13, 2019 | Naples, FL 
Rookery Bay Environmental Learning Center

September 23-26, 2019 | Norwalk, CT 
The Maritime Aquarium

September 27-30, 2019 | Huntsville, AR 
Ozark Natural Science Center

October 1-9, 2019 | Dallas, TX 
Dallas Zoo

October 1 - December 10, 2019 | Missoula, MT 
Montana Natural History Center

October 21-25, 2019 | Chicago, IL 
Lincoln Park Zoo

October 28 - November 1, 2019 | Powell, OH 
Columbus Zoo and Aquarium

November 1-4, 2019 | Makanda, IL 
Touch of Nature Environmental Center

December 2-5, 2019 | Tulsa, OK 
Oxley Nature Center

December 3-6, 2019 | Millersville, MD 
Maryland Environmental Service

January 16-21, 2020 | Phoenix, AZ 
Phoenix Zoo

Certified Interpretive Host Courses

October 3-5, 2019 | Borrego Springs, CA 
Location TBA

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 and workshop listings that are currently tentative.

Combination CIG and CIH Train the Trainers Course

October 15-22, 2019 | Austin, TX 
Austin Nature and Science Center and Austin Zoo

Certified Interpretive Guide Train-the-Trainers

June 17-21, 2019 | Stevens Point, WI 
Schmeeckle Reserve, UWSP Campus

September 16-20, 2019 | Portland, OR 
Oregon Zoo

October 15-19, 2019 | Austin, TX 
Austin Nature and Science Center

Certified Interpretive Host Train-the-Trainers

September 23-26, 2019 | Delaware, OH 
Deer Haven Park

October 21-22, 2019 | Austin, TX 
Austin Zoo