(Reuters) - The following people are mentioned as contenders for senior roles as U.S. President-elect Donald Trump assembles his administration before taking office on Jan. 20, according to Reuters sources and other media reports. Trump already has named a number of people for other top jobs in his administration. * Elsa Murano, undersecretary of agriculture for food safety under President George W. Bush and former president of Texas A&M University * Chuck Conner, a former acting secretary of the U.S. Agriculture Department and current head of the National Council of Farmer Cooperatives * Tim Huelskamp, Republican U.S. representative from Kansas * Sid Miller, Texas agriculture commissioner  * Sonny Perdue, former Georgia governor * Navy Admiral Mike Rogers, director of the National Security Agency * Ronald Burgess, retired U.S. Army lieutenant general and former Defense Intelligence Agency chief  * Robert Cardillo, director of the National Geospatial-Intelligence Agency * Pete Hoekstra, Republican former U.S. representative from Michigan     * John Allison, a former chief executive officer of regional bank BB&T Corp and former head of the Cato Institute, a libertarian think tank * Paul Atkins, a former commissioner of the Securities and Exchange Commission * Thomas Hoenig, Federal Deposit Insurance Corp vice chairman and former head of the Kansas City Federal Reserve Bank * Dr. Scott Gottlieb, a venture capitalist, resident fellow at the American Enterprise Institute and former Food and Drug Administration deputy commissioner * Jim O’Neill, a Silicon Valley investor who previously served in the Department of Health and Human Services * Paul Atkins, a former SEC commissioner who heads Trump’s transition team for independent financial regulatory agencies * Ralph Ferrara, securities attorney at Proskauer Rose LLP * Daniel Gallagher, A Republican former SEC commissioner The Trump transition team confirmed the president-elect would choose from a list of 21 names he drew up during his campaign, including Republican U.S. Senator Mike Lee of Utah and William Pryor, a federal judge with the 11th U.S. Circuit Court of Appeals. * Dan DiMicco, former chief executive of steel producer Nucor Corp * Jovita Carranza, founder and president of consultants JCR Group. Former vice president at United Parcel Service and former deputy administrator of the Small Business Administration * Robert Lighthizer, former deputy U.S. trade representative during the Reagan administration * Wayne Berman, senior executive with private equity and financial services firm Blackstone Group LP  * David McCormick, president of investment manager Bridgewater Associates LP  * Pete Hegseth, CEO of Concerned Veterans for America and Fox News commentator  * Navy Admiral Michelle Howard  * Retired Admiral Thad Allen, former Coast Guard commandant appointed by President Barack Obama to lead government relief efforts after BP Gulf oil spill * Toby Cosgrove, president and chief executive officer of Cleveland Clinic * Luis Quinonez, founder of IQ Management of Virginia and member of Trump’s National Hispanic Advisory Council * Scott Brown, former Republican U.S. senator from Massachusetts * Sarah Palin, former Alaska governor and Republican nominee for vice president in 2008 * Jeff Miller, a former Republican U.S. representative from Florida who was chairman of the House Veterans Affairs Committee * Larry Kudlow, economist and media commentator * Tom Bossert, former deputy homeland security adviser to President George W. Bush, cyber risk fellow with the Atlantic Council think tank 
Factbox: Contenders for senior jobs in Trump's administration