Walter Wink was an American biblical scholar, theologian, and activist who was an important figure in Progressive Christianity. Wink spent much of his career teaching at Auburn Theological Seminary in New York City. He was well known for his advocacy of and work related to nonviolent resistance and his seminal works on "The Powers", Naming the Powers (1984), Unmasking the Powers (1986), Engaging the Powers (1992), When the Powers Fall (1998), and The Powers that Be (1999). He is also known for coining the phrase "the myth of redemptive violence".
He was known for his work on power structures, his commentary on current political and cultural matters, and his contributions to the discourse on homosexuality and religion, pacifism, the relationship between psychology and biblical studies, and research related to the historical Jesus.