Adam McKay (born April 17, 1968) is an American screenwriter, producer, and director. McKay began his career as a head writer for the NBC sketch comedy show Saturday Night Live (SNL) from 1995 to 2001. Following his departure from SNL, he rose to fame in the 2000s for his collaborations with comedian Will Ferrell and co-wrote his comedy films Anchorman (2004), Talladega Nights (2006), Step Brothers (2008), The Other Guys (2010), and Anchorman 2: The Legend Continues (2013).
https://en.wikipedia.org/wiki/Adam_McKay