Farm Foundation Forum featured the current Chief Agriculture Negotiator of the Office of the U.S. Trade Representative, and three of his predecessors:
Ambassador Gregg Doud, Chief Agriculture Negotiator, Office of the U.S. Trade Representative
Ambassador Darci Vetter, former Chief Agriculture Negotiator (2014-2016)
Ambassador Richard Crowder, former Chief Agriculture Negotiator (2006-2008)
Ambassador Al Johnson, former Chief Agriculture Negotiator (2001-2005)