Allan Jack Katz (born April 30, 1947) is a former City Commissioner of Tallahassee and American Ambassador to Portugal. President Barack Obama nominated Allan to be Ambassador of the United States of America to the Portuguese Republic in November 2009. Ambassador Allan Katz is a distinguished professor with the University of Missouri Kansas City Bloch School's Department of Public Affairs and the College of Arts and Science's Political Science Department. He is the founder of the American Public Square, an organization using civil discourse to bridge the partisan divide. In 2019, American Public Square announced a new partnership with William Jewell College, changing its name to American Public Square at Jewell, and Ambassador Katz was brought on as Distinguished Professor in Residence in