Julio José Frenk Mora (born December 20, 1953) is a Mexican public health scholar and sociologist, serving as the 7th chancellor of the University of California, Los Angeles starting January 1, 2025.

Following that, he went on to serve as the founding director general of the National Institute of Public Health of Mexico from 1987 to 1992.

[3] In 1998, Frenk was appointed executive director of evidence and information for policy at the World Health Organization (WHO) in Geneva.

[4] In 2003, Frenk was among five final candidates for the position of director-general of the World Health Organization (WHO) alongside Lee Jong-wook, Pascoal Mocumbi, Peter Piot, and Ismail Sallam; Lee was eventually appointed the position.

[5] In 2004, Frenk was criticized by tobacco control advocates for his role in cutting an unusual deal with tobacco companies in which Philip Morris and British American Tobacco agreed to donate $400 million for health programs in Mexico over two and a half years but reserved the right to cancel the donation if cigarette taxes were raised[6] In September 2006, the Mexican government again nominated Frenk as a candidate for the leadership of the World Health Organization.

[7] The British medical journal The Lancet published an editorial[8] endorsing Frenk as the best candidate while The Wall Street Journal reported that Frenk's controversial 2004 tobacco deal could hurt his chances for election.

[12] He served on the High-Level Task Force for the International Conference on Population and Development, co-chaired by Joaquim Chissano and Tarja Halonen, from 2012 to 2014.

[13] In 2013, Frenk joined Vicente Fox and others in campaigning for marijuana legalization at a series of events in the United States and Mexico.

"Frenk was rarely a prominent influence on UM’s campus," the student newspaper reported.