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


November 26-29, 2019 | Burlington, ON, Canada 
Royal Botanical Gardens

November 26-30, 2019 | San José, Costa Rica 
Hotel Balmoral

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

December 2-5, 2019 | Windsor, VT 
American Precision Museum

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

December 9-12, 2019 | Norfolk, VA 
Virginia Zoo

December 9-12, 2019 | Westminster, CO 
Butterfly Pavilion

December 9-12, 2019 | Fort Collins, CO
Fort Collins Senior Center

December 9-12, 2019 | Waldport, OR
Siuslaw National Forest

December 9-20, 2019 | Wichita, KS
Sedgwick County Zoo

January 14-17, 2020 | Montgomery, AL 
Alabama Department of Archives and History

January 14-22, 2020 | Dallas, TX 
Dallas Zoo

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

February 3-6, 2020 | Roswell, GA 
Chattahoochee Nature Center

February 3-7, 2020 | Columbia, SC
Riverbanks Zoo and Garden

February 7-10, 2020 | Little Rock, AR 
Witt Stephens, Jr. Central Arkansas Nature Center

February 10-14, 2020 | Brookfield, IL 
Brookfield Zoo

February 18-21, 2020 | Las Vegas, NV 
Get Outdoors Nevada

March 2-6, 2020 | Chicago, IL 
Lincoln Park Zoo

March 3-6, 2020 | Littleton, CO 
Carson Nature Center

March 3-24, 2020 | Charlotte, NC 
Cordelia Park

March 10-13, 2020 | Anchorage, AK
Campbell Creek Science Center

March 17-20, 2020 | Milford, OH
Cincinnati Nature Center

March 17-20, 2020 | Odem, TX
Nueces Delta Preserve

March 24-27, 2020 | Eugene, OR
UO Museum of Natural and Cultural History

May 3-6, 2020 | College Station, TX
Texas A&M University

May 11-14, 2020 | Lake Tahoe, CA 
North Tahoe Event Center

May 18-21, 2020 | Kalispell, MT 
Flathead Valley Community College

August 17-21, 2020 | Brookfield, IL 
Brookfield Zoo

Certified Interpretive Host Courses

There are none currently scheduled.  Please check back 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 and workshop listings that are currently tentative.

Certified Interpretive Guide Train-the-Trainers

January 13-17, 2020 | Kalaheo, HI 
National Tropical Botanical Garden

Certified Interpretive Host Train-the-Trainers

There are none currently scheduled.  Please check back soon for offerings in 2020!