University of California

The University of California was a university, which had a campus at Berkeley, California. This campus was often referred to simply as "Berkeley".

The Time Lord known as Daniel Joyce worked as a professor twice at the campus of the University of California, Berkeley: in the 1980s, and again in the 2000s. He was initially fired, in his first term under a different alias, for building a small atomic bomb as a demonstration that any lunatic could build one. (PROSE: Unnatural History)

At some point between 2046 and 2048, Steffi Ehrlich had a post-doctorate position at the University of California at Berkeley, California. Later she was chosen for the Bowie Base One mission. (TV: The Waters of Mars)

Behind the scenes
In the real world, is just one of the multiple campuses of the University of California.