Judd Apatow is a writer.
Funny People is a 2009 American comedy-drama film written , produced and directed by Judd Apatow . Judd Apatow . He is the founder of Apatow Productions , through which he produced and developed the television series Freaks and Geeks , Undeclared , Girls , Love , Crashing and directed the films The 40-Year-Old Virgin ( 2005 ) , Knocked Up ( 2007 ) , Funny People ( 2009 ) , This Is 40 ( 2012 ) , and Trainwreck ( 2015 ) . Knocked Up is a 2007 American romantic comedy film written , directed , and co-produced by Judd Apatow , and starring Seth Rogen , Katherine Heigl , Paul Rudd , and Leslie Mann . The 40-Year-Old Virgin is a 2005 American sex comedy film written , produced and directed by Judd Apatow , about a middle-aged man 's journey to finally have sex . This Is 40 is a 2012 American comedy film written , co-produced and directed by Judd Apatow , and starring Paul Rudd and Leslie Mann .