Tammie Rosen Courtesy of the Sundance Institute Share on Facebook Share on X Google Preferred Share to Flipboard Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Send an Email Print the Article Post a Comment Tammie Rosen, the beloved communications veteran of the Sundance Institute and Tribeca Film Festival, has died. She was 49. Rosen, who passed on Wednesday after a battle with cancer, is remembered by friends and colleagues for her kindness and generosity as much as her professionalism.