David Mackenzie is a Scottish film director and co-founder of the Glasgow-based production company Sigma Films. He has made ten feature films including Young Adam (2003), Hallam Foe (2007), Perfect Sense (2011) and Starred Up (2013). In 2016, Mackenzie's film Hell or High Water premiered at Cannes and was theatrically released in the United States in August. The same year he executive produced Damnation, a TV pilot for Universal and USA Network. Mackenzie also directed Outlaw King (2018), a historical film for Netflix. Mackenzie and his films have been described as not fitting neatly into any particular genre or type.

Sigma Films is a film production company based in Glasgow, Scotland. The company was formed in 1996 by Gillian Berrie, David Mackenzie and Alastair Mackenzie – a producer, director and actor respectively. Over the last twenty years the company has been responsible for film releases including Starred Up (2013), Under the Skin (2013), Perfect Sense (2011), Hallam Foe (2007), Red Road (2006), Young Adam (2003) and Dear Frankie (2004). In 2017, Sigma began production on big-budget historical epic Outlaw King for Netflix.