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


January 11-14, 2018 | Athens, OH
Ohio University

January 16-19, 2018 | Austin, TX
Austin Science and Nature Center

January 20 - February 4, 2018 | Racine, WI
River Bend Nature Center

January 23 - February 1, 2018 | Columbia, SC
Riverbanks Zoo and Garden

January 29 - February 1, 2018 | Portland, OR
Tryon Creek State Natural Area

January 30 - February 2, 2018 | Chattanooga, TN
Tennessee Aquarium

January 29 - February 19, 2018 | Peoria Heights, IL
Forest Park Nature Center

January 30 - February 2, 2018 | Fort Collins, CO
Fort Collins Senior Center

February 5-8, 2018 | Pensacola, FL
Florida Public Archaeology Network Center

February 5-8, 2018 | Roswell, GA
Chattahoochee Nature Center

February 5-8, 2018 | Herndon, VA
Dranesville Tavern Park

February 5-8, 2018 | Alexandria, VA
Green Spring Gardens

February 6-9, 2018 | Wells, ME
Wells National Estuarine Research Reserve

February 6-21, 2018 | Youngstown, OH
Mills Creek Metroparks

February 9-12, 2018 | Little Rock, AR
Witt Stevens Nature Center

February 12-16, 2018 | Brookfield, IL
Brookfield Zoo

February 19-22, 2018 | Springfield, MA
Springfield Armory NHS

February 19-22, 2018 | Boulder City, NV 
Forever Resorts, Lake Mead RV Village

February 19 - March 2, 2018 | Painted Post, NY
Watson Homestead

February 27 - March 2, 2018 | Quinault, WA
Lake Quinault Lodge

February 27 - March 2, 2018 | Salt Lake City, UT
Utah's Hogle Zoo

February 27 - March 20, 2018 | Atlanta, GA
Zoo Atlanta

March 2-5, 2018 | Granville, OH 
Licking Park District

March 6-9, 2018 | Littleton, CO
Carson Nature Center at South Platte Park

March 13-16, 2018 | Falmouth, ME
Gilsland Farm Audubon Center

March 20-23, 2018 | Palm Desert, CA
The Living Desert

March 21-24, 2018 | Pocomoke City, MD 
Delmarva Discovery Center

March 22-25, 2018 | Tulsa, OK  
Oxley Nature Center

March 23-26, 2018 | Clermont, KY
Bernheim Arboretum and Research Forest

March 27-30, 2018 | Eugene, OR
Museum of Natural and Cultural History

April 2-5, 2018 | Olympia, WA
Nisqually National Wildlife Refuge

May 21-24, 2018 | Kalispell, MT
Flathead Valley Community College

June 4-8, 2018 | Baja California Sur, Mexico
Cabo San Lucas

June 8-29, 2018 | Milford, OH
Cincinnati Nature Center

August 28-31, 2018 | Milford, OH
Cincinnati Nature Center

Certified Interpretive Host Courses


February 26-27, 2018 | Tampa, FL
The Florida Aquarium

March 7-8, 2018 | Brookfield, IL
Brookfield Zoo Conservation Leadership Center

March 10-17, 2018 | Tulsa, OK 
Oxley Nature Center

March 25-26, 2018 | Granville, OH 
Licking Park District

May 8-9, 2018 | Palm Desert, CA
The Living Desert


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

January 15-19, 2018 |Ontario, Canada
Killbear Provincial Park

March 19-23, 2018 | Wells, ME
Wells National Estuarine Research Reserve

Certified Interpretive Host Train-the-Trainers

February 13-16 or February 14-15, 2018 | Oklahoma City, OK
National Cowboy and Western Heritgae Museum