David M. Marchick is a partner with Covington & Burling, where he advises US and foreign companies on foreign investment and international trade issues. He is widely recognized as an expert on the Exon-Florio amendment. Marchick served in the State Department during the Clinton administration (1993–99) as deputy assistant secretary of state for transportation affairs, deputy assistant secretary for trade policy, and principal deputy assistant secretary of commerce for trade development. He has also held trade policy positions at the White House and the Office of the US Trade Representative and is a senior adviser to Kissinger McLarty Associates. He is coauthor of US National Security and Foreign Direct Investment (2006).