Brad Stevens excited to join Celtics Pursued vigorously, he left college game behind ← Related Article Visit The Boston Globe Share on Twitter Share on Facebook Comment on this Scroll to top of page John Tlumacki/Globe Staff Brad Stevens was introduced Friday as the 17th coach in Celtics history. John Tlumacki/Globe Staff Stevens, from Butler University, said he was "humbled" by his new role and "in awe" of the history that surrounds the Celtics. John Tlumacki/Globe Staff Celtics boss Danny Ainge, left, said he had been interested in Stevens as an NBA coaching candidate for several years, but never thought he'd be able to hire him. John Tlumacki/Globe Staff There were dozens of members of the media on hand at the Celtics’ training facility in Waltham for the introduction of Stevens. John Tlumacki/Globe Staff Stevens was joined by his wife, Tracy, who also negotiated his contract. John Tlumacki/Globe Staff Said Stevens: “I couldn’t be more thrilled for the opportunity."