Theology in the RawChris SprinkleSeptember 24, 2018Derwin gray, Preston sprinkle, theology in the raw #696 - A Conversation with Derwin Gray On episode #696 of Theology in the Raw Preston has a conversation with Derwin Gray. Derwin is the author of Hero: Unleashing God’s Power in a Man’s Heart (2010) Theology in the RawChris SprinkleSeptember 24, 2018Derwin gray, Preston sprinkle, theology in the raw