Stephen Cox was corporate counsel for Apache Corporation, a petroleum and natural gas exploration and production company, where, among other things, he gave advice on regulatory challenges and multiple state and federal investigations, according to his Linkedin profile. Before that, he served a stint in the Federal Bureau of Investigation and represented clients, including BP, as an attorney at the law firm WilmerHale, where he counseled multinational companies on compliance issues and investigations relating to anti­corruption laws, trade sanctions, export controls, political lobbying, immigration and hydraulic fracturing. — ProPublica