Aaron is a Senior Scientist in the Artificial Intelligence Center at SRI International in Menlo Park, CA, where he works on visual perception, such scene and activity understanding, 3D reconstruction, and computational photography in still and motion imagery. He has been a location audio recordist and Ambisonics enthusiast for over 30 years. Many of his recordings have been broadcast nationally in the US on NPR and APR, and used by BBC Research for their Ambisonics work.