David A. Shamma is the Co-editor Arts & Digital Culture for the Association for Computing Machinery Special Interest Group on Multimedia (ACM SIGMM). He runs in the HCI Research Group at Yahoo! Labs and is the lead scientist at Flickr. He has a Ph.D. in Computer Science from Northwestern University and has worked at the Medill School of Journalism and at the NASA Ames Center for Mars Exploration. His research investigates Conversational Multimedia Objects and he creates installations and dance performances.