He is most noted for his work in progressive management and environmental education. He founded Waxwing Associates, an Eco-tourism company that also provided wildlife management consulting and grant writing services. Terry Wentz is noted for his work with the largest little brown bat colony east of the Mississippi River, which is located in an abandoned church at Canoe Creek State Park.
His conservation efforts have also resulted in further protections for the endangered Indiana Bats which reside in Canoe Creek State Park in an abandoned mine.
His efforts in acquiring grants for land helped to establish the Lower Trail. He also served time in Vietnam as a Dog Handler for the United States Army assigned to the 1st Cavalry Division.
Terry Wentz was also a Past President of the Juniata Valley Audubon Society, and served on the Juniata Valley Audubon Board for over a decade. On October 2, 2010, the Canoe Creek Environmental Center, at Canoe Creek State Park was named after Terry Wentz.
On May 15, 2011, the first ever Annual Terry Wentz Memorial Hike will be held at Canoe Creek State Park.