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

Virtual Certified Interpretive Guide Courses

In response to the COVID-19 pandemic, NAI is allowing the CIG to be taught virtually for a limited time. The certification requirements are the same as a face to face offering and please note the location of your instructor as this may conflict with your time zone/location

June 29 - July 3, 2020
Instructor: Ramina Arce, Thousand Palms, CA This course is full!

August 10-14, 2020
Instructor: Angela Yau, Olney, MD

October 26-29, 2020
Instructor: Karin Hostetter, Centerville, IN

In-Person Certified Interpretive Guide Courses


July 27-30, 2020 | Evansville, WY
Edness Kimball Wilkins State Park

August 4-7, 2020 | Odem, TX 
Nueces Delta Preserve

August 6-9, 2020 | Marietta, OH 
Marietta Armory Building

August 18-22, 2020 | Milford, OH 
Cincinnati Nature Center

September 21-24, 2020 | Eugene, OR 
Museum of Natural and Cultural History

September 28 - October 1, 2020 | Birmingham, AL 
Birmingham Zoo

September 28 - October 1, 2020 | Clermont, KY 
Bernheim Arboretum and Research Forest

October 19-22, 2020 | Pensacola, FL
Florida Public Archaeology Network Center

October 19-23, 2020 | Chicago, IL
Lincoln Park Zoo

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

November 5-8, 2020 | Makanda, IL
Touch of Nature Environmental Center

November 17-20, 2020 | Wells, ME
Wells National Estuarine Research Reserve

Certified Interpretive Host Courses

Check back soon for more courses in 2020!

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

August 25-29, 2020 | Toledo, OH 
Wildwood Preserve Metroparks Hall

Certified Interpretive Host Train-the-Trainers

August 31 - September 1, 2020 | Toledo, OH 
Wildwood Preserve Metroparks Hall

Combination Certified Interpretive Guide and Host Train-the-Trainers

August 25 - September 1, 2020 | Toledo, OH 
Wildwood Preserve Metroparks Hall