David Keighley Courtesy of Imax Share on Facebook Share on X Share to Flipboard Send an Email Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Print the Article Post a Comment David Keighley, the first chief quality officer for Imax and a veteran of the large-format cinema platform for more than 50 years, has died. He was 77. Keighley died Thursday at Memorial Sloan Kettering Cancer Center in New York after a battle with neuroendocrine prostate cancer, his son Geoff Keighley told The Hollywood Reporter.