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Prof. Jack Dongarra

As Director of both ICL and CITR, Jack oversees all aspects of administration in both groups. In addition, he coordinates efforts in the three primary research domains of ICL: Linear Algebra; Performance Evaluation and Benchmarking; and Distributed Computing.

He currently holds an appointment as University Distinguished Professor of Computer Science in the Electrical Engineering and Computer Science Department at the University of Tennessee and holds the title of Distinguished Research Staff in the Computer Science and Mathematics Division at Oak Ridge National Laboratory (ORNL), Turing Fellow at Manchester University, and an Adjunct Professor in the Computer Science Department at Rice University.

Jack received a Ph.D. in Applied Mathematics from the University of New Mexico in 1980. He founded ICL in 1989 and formed CITR in 2001. Additional information can be found at

Dr. Terry Moore
Associate Director

Terry is responsible for CITR and ICL project development, especially focusing on the creative process of proposal development, from the identification of new ideas and opportunities, through the coordination and execution of the collaborative writing process. In this capacity, he serves as ICL and CITR's representative at many conferences and workshops and coordinates our annual participation in the Supercomputing conference (SCxy).

Terry received a Ph.D. in Philosophy from the University of North Carolina, Chapel Hill. He has been with ICL since 1997 and CITR since 2001.

Tracy Rafferty
Program Manager

Tracy supervises the administrative office staff as part of her business management role and handles the day-to-day operation of both CITR and ICL. She also assists in proposal preparation and manages the pre-award phase of all grants and contracts. In addition, she serves as the primary business liaison between ICL, CITR, and university departments and administrative offices. Tracy has been with ICL since 1992 and CITR since 2001.

Administrative Support
Teresa Finchum
Administrative Specialist II

Teresa coordinates the human resource and payroll functions of the group, including proper authorization and visas for foreign staff, prospective employees and visitors. She coordinates visits for new employees and develops their orientation material. Teresa also serves as the assistant to the ICL and CITR Director. In this capacity, she coordinates his travel arrangements as well as various other administrative duties relating to the Director's position as a University Distinguished Professor. Teresa has been with ICL and CITR since 2001.

Leighanne Sisk
Administrative Specialist I

Leighanne is the main point of contact for the group in the day-to-day work environment. She handles requests for various items, including maintenance, books and supplies, and university car rentals. Leighanne also arranges meetings and workshops and assists visitors to CITR and ICL with their arrangements. Her primary role, however, is to process travel authorizations and reimbursement for both groups. Leighanne has been with ICL and CITR since August 2006.

David Rogers
IT Specialist III

David is repsonsible for ICL and CITR's graphic design efforts, which the groups require in nearly every phase of their operations, from proposals, papers, newsletters and conference materials, to web sites and other electronic media essential to the groups success. David also handles all designs elements for the ICL Annual Report.

David received a B.F.A. in Graphic Design from the University of Tennessee in 2000. He has been with ICL since 2000 and CITR since 2001.

Scott Gibson
Information Specialist I

Scott's primary responsibilities include the development and publication of the ICL Annual Report and monthly newsletter, and general editing of project proposals, publications, and reports. Scott also coordinates enrollment in the Interdisciplinary Graduate Minor in Computational Science (IGMCS) as well as manages reports for National Science Foundation (NSF) funded efforts.

Scott received a B.S. with honors in History and Mass Communication, with a concentration in News-Editorial, from East Tennessee State University. Before joining CITR in September of 2016, he gained experience at various companies as a journalist, technical publications analyst, technical editor/writer, and communications specialist.

Claxton Complex

Contact CITR

203 Claxton Complex
1122 Volunteer Blvd
Knoxville, TN 37996-3450
Phone: (865) 974-8295
Fax: (865) 974-8296