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OGF Operational Leadership


Dr. Alan Sill directs the U.S. National Science Foundation Cloud and Autonomic Computing industry/university cooperative research center at Texas Tech University and serves as President for OGF. He has been involved in scientific computing for more than 40 years, having gravitated toward this topic as an undergraduate student and has been on the computing side of science ever since. His formal training is as a physicist and has done work at national labs in the U.S., Asia, and Europe. Much of his work in computation has been driven by the science needs of experiments at the particle colliders in Japan, at Fermilab and CERN, and other similar large-scale projects. In addition to his role as site director for the NSF CAC at TTU, he holds positions as a senior scientist at the High-Performance Computing Center and adjunct professor of physics at Texas Tech. His work in cloud and grid advanced computing projects has helped to provide scientific computational support in areas ranging from high energy physics to petroleum engineering to atmospheric science to molecular dynamics and chemistry.

Dr. Sill has been involved with a wide variety of standards organizations in the course of his work, including working groups on grid security, middleware development, authentication and authorization, and remote collaboration, and was a founding charter member of The Americas Grid Policy Management Authority, the accrediting arm of the International Grid Trust Federation. He served as Secretary for TAGPMA for its initial two years and helped to develop its charter and mission, and remain an active TAGPMA member. He is an active volunteer in the community and enjoys personal hobbies in hiking, climbing, and a variety of high-adventure outdoor activities.

Vice President of Standards

Dr. Jens Jensen is currently a group leader, scientist and researcher at the Science and Technology Facilities Council in the UK. He holds a PhD in Mathematics from Aarhus University.

His research interests are in high-end scientific data storage and processing, data security, identity management and authorisation. He has been deeply involved for several years in topics re;lated to federated identity management and single sign on for large-scale scientific organisations. Beyond these topics, he is interested in general in the development and application of scientific modeling and in scientific approaches to petascale computing.

He has been involved in OGF and in related organisations such as the Interoperable Global Trust Federation (IGTF) for the past several years, and managed the UK e-Science Certificate Authority for the IGTF.