Over the next 50 years, Roeser was involved in developing and providing leadership in the University’s audiology program, as well as in the Callier Center in its entirety. The Right Place at the Right TimeBy the time Roeser earned his PhD, he was already working as a Callier Center audiologist. The next year, he was asked by his mentor Johns, then Callier’s head of clinical services, to lead UT Dallas’ audiology program. “Then in 1988, there was a national search for the right person to oversee operations of the entire Callier Center. “Dean Bert Moore said, ‘Well, we need to recruit a new head of the audiology program.