TSI North America

The Sierra Institute was conceived by Co-Founders Ed Dunn and Tom Helton at Incline Village, Nevada, which is located in the heart of the Sierra Nevada mountain range and overlooks Lake Tahoe. It’s known as “TSI Base Camp” and is the inspiration for the Institute’s Guiding Principles of Great People, Great Content, Great Locations.

Ed Dunn
Co-Founder

Tom Helton
Co-Founder

Colleen Villa
Executive Director