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


April 22-25, 2019 | Roanoke, VA
Mill Mountain Discovery Center

April 22-26, 2019 | Providence, RI
The Center for Reconciliation

April 25-28, 2019 | Jamestown, ND
1883 Stutsman County Courthouse State Historic Site

May 7-10, 2019 | Naples, FL 
Rookery Bay Environmental Learning Center

May 12-16, 2019 | Spencer, IN 
McCormick's Creek State Park

May 13-17, 2019 | St. Louis, MO 
Saint Louis Zoo

May 20-23, 2019 | Raleigh, NC 
Durant and Horseshoe Farm Nature Preserve

May 20-23, 2019 | Kalispell, MT 
Flathead Valley Community College

May 20-24, 2019 | Mérida, Yucatán, Mexico 
DVP Plum

May 21-24, 2019 | Lake Placid, NY 
Adirondack Mountain Club

June 4-7, 2019 | Houston, TX
Houston Downtown Aquarium

June 4-7, 2019 | Waynesville, OH
Caesar Creek Lake Visitor Center

June 4-7, 2019 | Gastonia, NC
Schiele Museum

June 11-14, 2019 | Houston, TX
The Houston Zoo

June 11-14, 2019 | Bethesda, MD
Locust Grove Nature Center

June 14-17, 2019 | Charlottesville, VA
Ivy Creek Natural Area

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 12-16, 2019 | Brookfield, IL 
Brookfield Zoo

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

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

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

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

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

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

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.

Certified Interpretive Guide Train-the-Trainers

Tentative upcoming courses include September in Oregon and October in Austin. Dates, locations, and registration coming soon!

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

Certified Interpretive Host Train-the-Trainers


There are not any currently scheduled but check back often for new postings!