He currently serves on the Seminole Tribe of Florida Tribal Council. He served for six years on the Florida Governors Council on Indian Affairs and as manager at the Ah-Tah-Thi-Ki Museum for seven years. As Director of Cultural Outreach and then as Director of Florida Seminole Tourism, Zepeda has spoken at international conferences on balancing the need to protect Seminole culture while also sharing aspects of it with the public.