Joyce Wisner is treasurer of L.E.T. and president of Tassell-Wisner-Bottral Foundation, formerly known as the Leslie E. Tassell Foundation. Joyce served on the honorary committee for Grand Valleys Shaping Our Future campaign and serves on the foundation board. She and her husband have created connections with Grand Valley through scholarships that support engineering students. They are very active and generous donors in the Grand Rapids community. Back to Foundation Leadership.