Justice Cuéllar began serving on the Supreme Court of California in January 2015. A scholar of public law and institutions, he was previously the Stanley Morrison Professor of Law at Stanford and Director of the University's Freeman Spogli Institute for International Studies. In the federal government Justice Cuéllar served as Special Assistant to the President at the White House, with responsibility for civil and criminal justice, public health, and immigration (in 2009 and 2010); Co-Chair of the Department of Education’s Equity and Excellence Commission (from 2011 to 2013); and earlier, Co-Chair of the Presidential Transition Task Force on Immigration (in 2008 and early 2009). In addition to his membership on the ALI Council, Justice Cuéllar is currently on the governing boards of Harvard University, the Hewlett Foundation, and (as chair) the Center for Advanced Study in the Behavioral Sciences. He also leads the Language Access Implementation Task Force for the California courts. A naturalized U.S. citizen born in northern Mexico, Justice Cuéllar is a graduate of Calexico High School in California’s Imperial Valley, Harvard, Stanford, and Yale Law School. He began his legal career at the U.S. Treasury Department's Office of Enforcement and clerked for Chief Judge Mary Schroeder on the U.S. Court of Appeals for the Ninth Circuit.
Elected to the ALI in 2008, Justice Cuéllar has chaired the Committee on the ALI Early Career Scholars Medal, and serves as an Advisor for the ALI projects on Principles of Law: Policing, and Sexual and Gender-Based Misconduct on Campus: Procedural Frameworks and Analysis; and on the Members Consultative Groups for the Restatement Fourth, The Foreign Relations Law of the United States, Principles of Government Ethics, and Model Penal Code: Sentencing.