Dulce B. Ponceleon holds an M.S. and a Ph.D. degree in computer science from Stanford University. She worked in the Advanced Technology Group at Apple Computer, Inc., where she worked on information retrieval, video compression and audio compression technologies for QuickTime. She was a key contributor to the first software-only videoconferencing system. She is currently at the IBM Almaden Research Center, where she has worked on multimedia content analysis and indexing, video summarization, applications of speech recognition, storage systems, and content protection. She contributed to the ISO MPEG-7 standardization efforts, specifically in Multimedia Description Schemes. She is a member of the Content Protection Competency Center at Almaden, and an IBM technical representative in 4C and Advanced Access Content System (AACS). The 4C Entity has developed content protection standards for recordable and pre-recorded media (CPRM/CPPM). Dr. Ponceleon is the Chair of the 4C Technical Group since 2004. AACS is a content protection standards for managing content stored on the next generation of pre-recorded and recorded optical media for consumer use with PCs and CE devices. Dr. Ponceleon has been on the Scientific Advisory Board of a leading NSF multimedia school, and a program committee member of ACM Multimedia, SPIE, SIGIR, IEEE, and several multimedia workshops. She has held workshops on multimedia standards (ACM MM 2000), panels on streaming video (ACM MM 2001), and multimedia information retrieval tutorials (SIGIR 2002, SIGIR 2005 and ICASPP 2006). She holds patents and numerous publications in video and audio compression, multimedia information retrieval, numerical linear algebra and non-linear programming. She holds several patents and numerous publications in video and audio compression, multimedia information retrieval, content protection, human computer interfaces, numerical linear algebra and non-linear programming.