Brian Koppelman is an American film writer, producer and showrunner. He is best known for writing movies like Rounders (1998), Ocean`s Thirteen (2007), Solitary Man (2009) and Runner Runner (2013). He has produced the romantic mystery film The Illusionistt (2006) and The Lucky Ones (2008), a comedy-drama film. In 2016, he created the drama show Billions that stars Paul Giamatti and Damian Lewis in lead roles.