The University of Houston System is a state university system in Texas, encompassing four separate and distinct universities. It also operates two system centers, which serve as off-campus and distance learning course delivery sites for its universities. The UH System owns and holds broadcasting licenses to a public television station and two public radio stations. The fourth-largest university system in Texas, the University of Houston System has nearly 64,000 students from the four separate universities. Its flagship institution is the University of Houston, which is a Tier One research university of over 38,750 students. With three stand-alone universities located in Houston, the economic impact of the University of Houston System contributes over $3.1 billion annually to the Houston economy while generating about 24,000 jobs. The administration of the University of Houston System is housed in the Ezekiel W. Cullen Building on the campus of the University of Houston. The chancellor of the System is Renu Khator, who also serves as president of the University of Houston. The System is governed by nine non-paid voting-member board of regents appointed by the Governor of Texas.