Lilly teaches courses related to biblical counseling and women’s issues at various Christian colleges and seminaries. At College Park Church, she serves as a counselor and counseling mentor. She is the book review editor for The Journal of Discipleship and Family Ministry and is a member of the ACBC. She holds a Ph.D. and M.Div. from The Southern Baptist Theological Seminary and an M.A. from The Master’s College. Prior to biblical counseling, she worked as an organizational consultant in the Washington, D.C. area.