Philip Davis Guggenheim (born November 3, 1963) is an American film director and producer. His credits as a producer and director include Training Day, The Shield, Alias, 24, NYPD Blue, ER, Deadwood, and Party of Five and the documentaries An Inconvenient Truth, The Road We've Traveled and Waiting for 'Superman'. Since 2006, Guggenheim is the only filmmaker to release three different documentaries that were ranked within the top 100 highest-grossing documentaries of all time (An Inconvenient Truth, It Might Get Loud, and Waiting for 'Superman').
He was born Philip Davis Guggenheim in St. Louis, Missouri, the son of Marion Davis (née Streett) and film director and producer Charles Guggenheim. His father was Jewish and his mother was Christian. He graduated from The Potomac School (McLean, Virginia) in 1979, from Sidwell Friends School in 1982, and later moved on to Brown University, where he graduated in 1986.
Guggenheim joined the crew of the HBO western drama Deadwood as a producer and director for the first season in 2004. The series was created by David Milch and focused on a growing town in the American West. Guggenheim directed the episodes "Deep Water", "Reconnoitering the Rim", "Plague" and "Sold Under Sin". Guggenheim left the crew at the end of the first season.