In 1997 Doug Mankoff started Echo Lake Productions by raising a private equity fund to finance and produce independent films. Since then, Echo Lake has financed and produced 15 films. Mankoff executive produced David Riker's La Ciudad, winner of awards at numerous film festivals, including Havana (best foreign film), South-By-Southwest (best narrative film), Santa Barbara (best narrative film), and Taos (best feature). Mankoff served as producer on Allison Anders' Things Behind The Sun, which won a Peabody Award for its "searing exploration" of the consequences of rape. Mankoff also executive produced Jill Sprecher's Thirteen Conversations About One Thing, which became Sony Classics' highest grossing film of 2002. He executive produced Ed Solomon's Levity, which was chosen as the opening night film of the 2003 Sundance Film Festival prior to being released by Sony Classics. He produced The Big Empty, a comedy starring Jon Favreau, which premiered at the 2003 AFI Film Festival prior to being released by Artisan Entertainment. Most recently, Mankoff executive produced Deepa Mehta's Water, which was selected as the opening film of the 2005 Toronto Film Festival. Mankoff executive produced two other 2005 Toronto Film Festival selections: 12 And Holding, directed by Michael Cuesta and Tstotsi, directed by Gavin Hood.
Before founding Echo Lake, Mankoff worked for film financier and visionary Michael Nesmith managing Nesmith's library of film and television properties. Mankoff received a BA in History from Duke University and then attended the graduate film program at NYU. He later received his MBA from Harvard. In addition to his interest in Echo Lake, Mankoff owns CAMP TV Media, a production company he founded in 1986 to make videos for schools and summer camps around the country. A native of Dallas, Mankoff lives with his wife and daughters in Los Angeles.