Joanne is currently a Distinguished Engineer and President of the IBM Academy of Technology. Her most recent assignment was VP of Infrastructure Management Services for Global Technology Services. In that role, she was responsible for providing a consistent and coherent architecture for the development and delivery of service products in the transformed GTS. Previous assignments have included Director of Workforce and Knowledge Enablement, Director of New Offering Solutions, and IGS Director of Solution Development and Delivery for ibm.com. Joanne has been the Executive Assistant to Bruce Harreld, IBM's Sr. VP for Strategy, and the Business Line Manager for Scientific and Technical Computing for the RS6000 Division. In that role, she was responsible for IBM's high performance scientific computing systems. She had been a member of the management team that developed and delivered the SP, with specific responsibility for the performance measurement and analysis of the system.

Joanne has been active in the external scientific community through a number of channels. She was the founding editor-in-chief of the MIT Press Journal of Supercomputer Applications, was on the steering committee that created the successful ACM/IEEE conference series on High Performance Computing and Communications -- chairing the conference in 1990 and chairing the technical program for 1998. She has served as an advisor to the Department of Energy, National Science Foundation, and National Research Council. She is listed in Who's Who among America's Men and Women of Science, and was named by Working Mother magazine as one of the 25 most influential working mothers for 1998.

Dr. Martin earned a Ph.D. in Mathematics from the Johns Hopkins University in 1981. She began her research career at the Los Alamos National Laboratory, where she conducted the first comprehensive analysis of the scientific workload and its relationship to the performance of supercomputers. In 1984, Dr. Martin joined IBM as a Research Staff Member at the Thomas J. Watson Research Center to continue her research into supercomputer performance evaluation and measurement. She was appointed a Senior Technical Staff Member in 1993, and was elected to the IBM Academy in 1997. Joanne is currently a member of the Academy’s Technology Council.