Final answer:
The former America's Got Talent judge who used to work in WTBU is Howard Stern.
Step-by-step explanation:
Howard Stern, known for his candid and controversial style, gained fame as a radio personality and judge on America's Got Talent. Before his rise to national prominence, Stern honed his skills at Boston University's college radio station, WTBU. His time there allowed him to develop his unique broadcasting approach, which eventually propelled him into a successful career in radio and entertainment.
At WTBU, Stern experimented with various formats and styles, showcasing his irreverent humor and unfiltered commentary. His experiences at the station contributed significantly to shaping his broadcasting persona, laying the groundwork for the bold and boundary-pushing approach that would define his later career.
Stern's journey from WTBU to becoming a household name in the entertainment industry highlights the formative role that university radio stations can play in launching successful careers in media and broadcasting.
Correct answer: Howard Stern