Dr. Paul CallejaDirector of High Performance Computing, Cambridge University
Dr. Paul Calleja is Director of High Performance Computing at Cambridge University, where he provides research computing services across all academic disciplines. Dr. Calleja obtained his Ph.D. in computational bio-physics at Bath University. After filling a post-doctoral research position at Birkbeck College, he moved into private industry, where he spearheaded early commercialisation of HPC cluster solutions within the U.K.
Following six years in the commercial sector, where he led the market transition from proprietary SMP systems to commodity cluster-based solutions. Dr. Calleja returned to academia to lead the formation of a new HPC service at Imperial College, London. From there, he moved to Cambridge University, to form a new HPC service and to direct a major reorganisation that has resulted in University-wide HPC capabilities with a novel pay-per-use cloud computing model. Cambridge University now boasts one of the largest academic supercomputers in the U.K., occupying 20th position among the top 500 when first installed. Dr. Calleja sits on numerous national and international HPC committees and advisory boards, as well being a founding member of the U.K. HPC Special Interest Group.