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


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

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

February 3-26, 2020 | Vancouver, BC, Canada
Vancouver Aquarium

February 4-7, 2020 | Albuquerque, NM
Rio Grande Nature Center

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

February 8-16, 2020 | Loveland, CO 
High Plains Environmental Center

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

February 11-20, 2020 | Atlanta, GA
Zoo Atlanta

February 15-23, 2020 | Port Townsend, WA
Jefferson Land Trust

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

February 23-27, 2020 | Alexandria, VA 
Green Spring Gardens

February 24-28, 2020 | Willoughby Hills, OH 
North Chagrin Nature Center

February 25-28, 2020 | Salt Lake City, UT 
Utah's Hogle Zoo

February 26 - March 5, 2020 | Springfield, IL 
Old State Capitol Historic Site

February 29 - March 15, 2020 | Asheboro, NC 
NC Zoo

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 6-9, 2020 | Toronto, ON, Canada 
Toronto Zoo

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

March 16-19, 2020 | New Hope, PA
Bowman's Hill Wildflower Preserve

March 16-19, 2020 | Wells, ME
Wells National Estuarine Research Reserve

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

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

March 20-23, 2020 | Windsor, VT
Windsor Inn

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

March 27-30, 2020 | Clermont, KY
Bernheim Arboretum and Research Forest

April 6-9, 2020 | Bretton Woods, NH
AMC Highland Center

April 23 - May 14, 2020 | Kahului, HI 
University of Hawaii, Maui College

April 27-30, 2020 | Tulsa, OK 
Oxley Nature Center

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

August 24-27, 2020 | Lisle, IL
The Morton Arboretum

Certified Interpretive Host Courses

February 13-14, 2020 | Westminster, CO
The Butterfly Pavilion and Insect Center

April 17-18, 2020 | 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.

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.

Certified Interpretive Guide Train-the-Trainers

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

February 3-7, 2020 | Midland, MI 
Chippewa Nature Center

Certified Interpretive Host Train-the-Trainers

March 31 - April 3, 2020 | Albuquerque, NM 
Rio Grande Nature Center State Park