HI Lee - thanks for interesting blog post on SIGGRAPH experience - it took a bit to find your blog but I found it at:
To foster year-round engagement and dialogue within the digital, electronic, computational and media arts. Facilitate dynamic scholarship and creative programming within the ACM SIGGRAPH organization. Promote collaboration between artists and the larger computer graphics and interactive techniques community.
ACM SIGGRAPH Digital Arts Community Committee:
Victoria Szabo, Chair
Andres Burbano, Sue Gollifer, Kathy Rae Huffman, Bonnie Mitchell, Hye Yeon Nam, Derick Ostrenko, Melentie Pandilovski, Jan Searleman, Ruth West.