In this video: John Piper
More resources on spiritual leadership from John Piper:
Christian Elders in the New Testament (1976) http://dsr.gd/vxUANR
For Our People and for the Cities of God (1981) http://dsr.gd/vYo5rz
The Marks of a Spiritual Leader (1995) http://dsr.gd/uutxEM
Guidelines for Leading Leadership in Major Decisions (2002) http://dsr.gd/vwu1xk