YESPI - Yellowstone English & Environmental Studies Program International

Where Nature is Your Classroom

Welcome to YESPI

Yellowstone English/Environmental Studies Program International LLC (YESPI) is a private American education company based in the center of the Greater Yellowstone Ecosystem (GYE).  YESPI designs and delivers university-accredited education programs for international and American students. 

Since 2014, YESPI has hosted six education programs and two internship programs. For all courses and programs, the GYE, an area of land that is 20 million acres (8 million hectares) in size and includes Yellowstone National Park and Grand Teton National Park, is the outdoor classroom and laboratory.  YESPI’s education programs help students truly stand out while offering life-changing experiences.

YESPI has offices in the USA, China, and Vietnam.

A message from YESPI's Founder

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U.S. Office

11 Fan Mountain Court
P.O. Box 1110
Ennis, MT 59729
WeChat: sam_korsmoe


China Office


500 Chang De Road, Building One, Apartment 301
Shanghai, China 200042

Tel: 139-0197- 1151
WeChat: francishuang

Vietnam Office

501 – 204/BG16 Nguyen Van Huong Street
Thao Dien, District Two

Ho Chi Minh City, Vietnam
Tel: (84) 0772200653

WeChat: sam_korsmoe