Laeta Elizabeth Kalogridis (born August 30, 1965) is an American screenwriter and an executive producer. She has written scripts for Alexander (2004), Night Watch (2006 in U.S.), Pathfinder (2007) and Shutter Island (2010). She also served as an executive producer for the television series Birds of Prey and Bionic Woman. Kalogridis and her writing partner Patrick Lussier wrote the screenplay for the fifth film in the Terminator series, Terminator Genisys, for Paramount Pictures and Skydance Productions. She is also the founder of the pro-union website Hollywood United and was involved as a peacemaker in the 2007–2008 Writers Guild of America strike.