Who Is Responsible For the Fine-Tuning?

“[O]ur universe operates according to a whole set of specific numeric values, and our existence in the universe depends on those values being precisely what they are.” –Dinesh D’Souza.  This fine-tuning of our universe is known as the “Anthropic Principle”.  And the question it raises is: “Who” is responsible for this incredibly precise fine tuning? Hint: He wrote a bestselling book.'