Snow, John William (1939- )

US public servant, secretary of the Treasury from 2003. Before that, for 14 years he was chair and chief executive officer of CSX Corporation, the country's largest railroad company. He replaced Paul O'Neill as Treasury secretary during a period of economic downturn. As chair of the Business Roundtable 1994-96, an influential association of US chief executive officers (CEOs), he facilitated the passing of the North American Free Trade Agreement.

Born in Toledo, Ohio, Snow earned a doctorate in economics at the University of Virginia and studied law at George Washington University. He later taught economics at the University of Maryland. He served as an undersecretary at the Department of Transportation under President Gerald Ford.