He was a screenwriter on Tron Legacy for Disney Studios and directed the 2008 Syfy Original film Living Hell.
Jefferies partners with writer/director/producer Ethan Wiley in transmedia production company Wiseacre Films.
[2] Together with Mark Kirkland he won a Student Academy Award for his animated short film Fame about a song by David Bowie.
[3] After his studies he founded New Hollywood Inc. together with David Koenigsberg, Osvaldo Zornizer and Mark Kirkland.
[4] His work on Fantastic Four: Rise of the Silver Surfer and Tron: Legacy was not credited.