Lawyer Robert Lighthizer, who was deputy trade representative during the Reagan administration, is President-elect Donald Trump’s pick to head the U.S. Trade Representative office, according to a person with knowledge of the matter. Lighthizer, a partner at the Washington offices of law firm Skadden, Arps, Slate, Meagher & Flom LLP, has focused on traditional trade litigation, policy advice and legislative initiatives for a roster of large U.S. corporations and coalitions, according to the firm’s website.