Leadership

Pankaj Shah
Executive Director

Pankaj Shah is the executive director of the Ohio Supercomputer Center (OSC) and Ohio Academic Resources Network (OARnet). For more than 25 years he has committed himself to the IT infrastructure and broadband initiatives through work in private, public, research and education community,...

David Hudak
Director of Supercomputer Services

David E. Hudak, Ph.D., is the Director of Supercomputer Services at the Ohio Supercomputer Center (OSC), where he was previously Program Director for Cyberinfrastructure and Software Development. His research interests include high-level languages for parallel computing, HPC software engineering...

Doug Johnson
Chief Systems Architect and HPC Systems Group Manager

Douglas Johnson serves as the chief systems architect and HPC Systems manager for the Ohio Supercomputer Center. Previously, he served as a senior systems developer/engineer at OSC.

Johnson earned his bachelor's degree in Physics from The Ohio State University.

Karen Tomko
Interim Director of Research and Scientific Applications Group Manager

Karen Tomko, Ph.D., serves as director of Research and manager of the Scientific Applications group at the Ohio Supercomputer Center. Tomko also serves as an XSEDE Campus Champion for The Ohio State University. Her research interests include communication runtimes, application parallelization...

Alan Chalker
Director of Technology Solutions & AweSim

Alan Chalker, Ph.D., is Director of Technology Solutions at the Ohio Supercomputer Center (OSC), as well as Director of Awesim, OSC’s industry outreach program. In this role he is responsible for all non-academic client relationships for OSC.

He also coordinates the preparation and...

Brian Guilfoos
HPC Client Services Manager

Brian Guilfoos serves as the HPC Client Services manager for the Ohio Supercomputer Center (OSC).

Guilfoos leads the Client and Technology Support Group, which provides training and user support to the OSC user community. Guilfoos also works directly with OSC clients to help convert...

Don Stredney
Director of the Interface Lab and Senior Research Scientist, Biomedical Applications

Don Stredney serves as a senior research scientist for Biomedical Applications and as director of the Interface Lab at the Ohio Supercomputer Center (OSC). In addition, Don is a member of the Experimental Therapeutics Program at the Comprehensive Cancer Center and an associate member of the Head...

Steve Gordon
Senior Director of Education and Director of the Ralph Regula School of Computational Science

Steven I. Gordon, Ph.D., serves as the senior director of Education. He served as interim co-executive director from 2009-2012 and as deputy director from 1997-2003.

Gordon has overseen training programs for OSC users and led workshops for undergraduate faculty and graduate students both...

Christine L. Hansen
Director, Consortia Fiscal Services, Ohio Technology Consortium

Christine Hansen serves as director of consortia fiscal services for the Ohio Technology Consortium. She previously work for the office of the Ohio Auditor of State, where she served as the chief financial officer and director of performance audits and local government services. Prior to the...