The mission of the Community Foundation of Teton Valley is to elevate lives through the power of generosity. As its cornerstone initiative, the Tin Cup Challenge Grant Program is a prime example of the Foundation’s work to promote generosity as a cultural value. The Tin Cup Challenge is both an 8-week philanthropic giving period and one-day community celebration of charitable giving in Teton Valley.  This innovative program is designed to benefit Teton Valley through the power of generosity – including donors, local…