Eileen Briggs
Eileen Briggs

Executive Director

Eileen Briggs (Cheyenne River Sioux) is the Executive Director of Cheyenne River Sioux Tribal Ventures. Eileen received her Bachelor’s and Master’s from the University of Minnesota. As Executive Director, she is currently in year nine of a ten-year poverty reduction plan with Tribal Ventures.
Karen Ducheneaux
Karen Ducheneaux

Research Associate & Community Engagement

Karen Ducheneaux, Hohwoju Lakota, was born on the Cheyenne River Reservation, where she resides with her four children. Karen has worked for Tribal Ventures for 2 1/2 years. She was first hired as a part-time consultant to conduct interviews for the Voices Survey.
Mona Dunsmore
Mona Dunsmore

Office Manager & Community Engagement Specialist

Mona Brings Horse Dunsmore began working as the Office Manager for Tribal Ventures in 2005. In 2014 she took on an additional role of Community Engagement Specialist. Her work with Tribal Ventures has given her an opportunity to develop skills in data entry, accounting, payroll, secretarial skills, community presentations, along with many other duties.

Board Members

Ronald Bowker
La Plante Community
Lonnie Brewer
Cheyenne River Chamber of Commerce
Tanya Fiddler
Four Bands Community Fund
Julie Garreau
Cheyenne River Youth Project
Ryman LeBeau
CRST Tribal Representative
Donna Straighthead
Cherry Creek Community
Sharon Vogel
Cheyenne River Housing Authority


Four Bands