Brennan Caldwell is an actor, writer, and former Whiffenpoof based in New York City. A graduate of Yale College, Brennan has been featured in numerous off-Broadway and regional productions and performed all over the globe with various musical ensembles. Brennan's performance of "Grace Kelly" by MIKA on NBC's "The Sing-Off" garnered praise from judge Ben Folds, who remarked, "Some things cannot be unseen."