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 18-26, 2017 | Corvallis, OR
Avery House Nature Center

February 21-24, 2017 | Lakeland, FL
Polk's Nature Discovery Center

February 28 - March 3, 2017 | Salt Lake City, UT
Utah's Hogle Zoo

March 6-9, 2017 | Lincoln, IL
Lincoln Heritage Museum

March 6-9, 2017 | Whitehorse, Yukon, Canada
Yukon Wildlife Preserve

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

March 7-10, 2017 | Annandale, VA
Hidden Oaks Nature Center

March 13-16, 2017 | Springfield, MA
Springfield Armory NHS

March 15-18, 2017 | Tulsa, OK
Oxley Nature Center

March 20-23, 2017 | Duluth, MN
Lake Superior Maritime Museum

March 26-29, 2017 | Olympia, WA
Nisqually National Wildlife Refuge

March 27-30, 2017 | Augusta, ME
Viles Arboretum

March 28-31, 2017 | Bethesda, MD
Locust Grove Nature Center

March 31 - April 3, 2017 | Granville, OH
Licking Park District

April 4-6, 2017 | Holderness, NH
Squam Lakes Natural Science Center

April 4-7, 2017 | Toronto, ON, Canada
Toronto Zoo

April 27 - May 2, 2017 | Odem, TX
Nueces Delta Preserve

April 24-27, 2017 | Bar Harbor, ME
Abbe Museum

May 2-5, 2017 | Houston, TX
The Houston Zoo

May 5-13, 2017 | Arecibo, Puerto Rico
Bosque Estatal de Rio Abajo

May 9-12, 2017 | Houston, TX
Edith L. Moore Nature Sanctuary

May 9-12, 2017 | Palm Desert, CA
The Living Desert

May 15-18, 2017 | Spencer, IN
McCormick's Creek State Park

May 16-19, 2017 | Millersville, MD
Maryland Environmental Service

May 22-25, 2017 | Kalispell, MT
Flathead Valley Community College

May 25-28, 2017 | Paul Smith's, NY
Paul Smith's College VIC

June 6-9, 2017 | West Columbia, TX
Varner-Hogg Plantation State Historic Site

June 13-16, 2017 | Houston, TX
The Health Museum of Houston

June 16-19, 2017 | Columbus, AR
Rick Evans Grandview Prairie Conservation Education Center

June 27-30, 2017 | Hong Kong
Hong Kong Ecotourism and Travel Professional Training Center

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

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

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

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

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

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

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

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

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

Certified Interpretive Host Courses

March 4-11, 2017 | Tulsa, OK
Oxley Nature Center

May 16-17, 2017 | Boston, MA
New England Aquarium

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


March 6-10, 2017 | Bryce, UT
Bryce Canyon National Park

May 15-19, 2017 | Omaha, NE
Henry Doorly Zoo and Aquarium

Certified Interpretive Host Train-the-Trainers


No courses are scheduled currently but please check back as more will be posted soon!