His directorial credits include the 2003 NFB-co-produced documentary War Hospital, co-directed with Damien Lewis, and his 2006 dramatic feature debut film, Six Figures.
A documentary filmmaker until Six Figures, Christensen prepared for the project by taking a workshop on directing actors with Judith Weston.
[2] As head of the NFB's Edmonton studio, Christensen develops films from across the province of Alberta as well as northern Canada.
[3] The same year, Christensen also developed a short film series to tell the stories of small rural communities across southern Alberta and Saskatchewan, The Grasslands Project.
[7][8] He is a co-founder of the Calgary Cinematheque and curated two film programs for the Alberta College of Art and Design.