ARC Faculty

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Terry L. Herdman  
Associate Vice President, Research Computing

Phone: (540) 231-7667
Email: terry.herdman@vt.edu

Dr. Terry L. Herdman was appointed to the position of Associate Vice President for Research Computing at Virginia Tech, August 2005. He is responsible for advocacy, planning, funding, and organization of research computing campus-wide. He reports to Scott Midkiff, Vice President for Information Technology, and Theresa Mayer, Vice President for Research and Innovation.

Nicholas Polys  
Director, Visualization

Phone: (540) 231 0968
Email: npolys@vt.edu

Dr. Nicholas F. Polys is Director of Visual Computing with Virginia Tech Research Computing Group and Affiliate Research Professor in the Department of Computer Science. He has developed interactive 3D graphic content and systems since 1998. His research interests lie at the center of graphics and Human Computer Interaction: the intersection of visualization, virtual environments, and perception. After his undergraduate research in Cognitive Science at Vassar College (1996), he jumped into the networked information space of the WWW developing audio, visual, and 3D assets and software. His doctoral work at Virginia Tech (2006) examined perceptual cues and layout behaviors for Information-Rich Virtual Environments for desktop to immersive platforms.

He is an ICAT fellow and member of ICAM, a member of ACM, IEEE Computer Society, and the Web3D Consortium. He is a co-author of the international standard (ISO) Extensible 3D (X3D), elected Director and President of the Web3D Consortium, and Chair of the User Experience Working Group.

Justin Krometis
Computational Scientist

Phone: (540) 231 8793
Email: jkrometis@vt.edu

Dr. Justin Krometis joined ARC in 2011. He holds a doctorate in Mathematics and research interests include Bayesian inference, parameter estimation, uncertainty quantification, and scientific computing. Prior to joining Virginia Tech, he spent seven years doing natural disaster and traffic modeling in the private and public sectors.

James McClure  
Computational Scientist

Phone: (540) 231 1365
Email: mcclurej@vt.edu

Dr. James E. McClure is a Computational Scientist with Advanced Research Computing at Virginia Tech. His research focuses on applications of parallel computing and the development of theoretical and computational models for complex systems. Current research projects focus on multiphase flows in porous media,  machine learning methods in computational microscopy, and applications of distributed computing to autonomous systems. McClure develops the open-source LBPM software as a means to combine multi-scale theory and large-scale computation for experimental image data. Active work through the United States Department of Energy's Center for Accelerated Application Readiness (CAAR) program has focused on applications of digital rock physics on the world's largest supercomputers. McClure obtained his Ph.D. in Environmental Sciences and Engineering from the University of North Carolina at Chapel Hill.

Alana Romanella
Assistant Director, Development and Fiscal Administration

Phone: (540) 231 0284
Email: aromanel@vt.edu

Alana Romanella joined ARC in August of 2013.  Alana’s primary responsibilities at ARC focus on organizing workshops, lecture series, and academic events; public awareness, diversity initiatives, and public relations.  She teaches several courses as a Political Science Adjunct at Radford University.  Her research interests focus on visualizing and analyzing data pertaining to violent domestic extremism.

Bob Settlage
Computational Scientist

Email: rsettlage@vt.edu

Dr. Robert Settlage joined ARC as a Computational Scientist in March 2016. He obtained his PhD in Chemistry from the University of Virginia in 1999 and a MS in Statistics from Virginia Tech in 2018.  Dr. Settlage’s career has taken him in an out of Industry and Academia.   He has worked in companies as large as Merck where he led an Automation Lab and Proteomics Informatics efforts and companies as small as 5 person startups.  His research interests lie in all aspects of data analysis from visualization of the data to improving the compute performance.  Most recently, he is co-PI in a grant to improve access and utilization of HPC resources through a combination of Open OnDemand and XDMoD.  These tools both improve HPC access through familiar browser based tools and bring job performance metrics straight to users for code review.  In his spare time, Bob likes returning home to the high Sierras.

Dr. Lance Arsenault
Visualization and Virtual Reality Specialist

Email: lanceman@vt.edu

Dr. Lance Arsenault joined ARC as a Visualization and Virtual RealitySystems Specialist in November 2015.  In addition to viz programming, Lance also does computer programming for software defined radio.

Online CV at http://107.191.96.171/cv.html.

Nathan Liles
Software Engineer

Email: nml5566@vt.edu

Nathan received his bachelors degree from Texas A&M. He has extensive experience developing HPC software and providing technical support for computational immunology and bioinformatics teams.

Mark Gardner
Network Research Manager

Email: mkg@vt.edu

Dr. Mark Gardner transferred to ARC from another IT department at Virginia Tech. He has been at the university since June 2006. In his role as Network Research Manager, Dr. Gardner is project manager for the NSF-funded VT-Rnet, a research network providing high-speed low-latency connectivity to demanding research instruments and computers on the Blacksburg campus. In addition, his focus and expertise span many areas of computing, networking, and storage. If it has to do with computers, he probably has an interest in it. He would love to discuss your wild and crazy ideas to help figure out how you can realize them.

Matthew Brown
Computational Scientist 

Email: brownm12@vt.edu

Matthew Brown joined ARC as a computational scientist in 2018. His path toward research computing began with a 12-year career in higher-ed information technology with particular focus on design and implementation of IT infrastructure and interests in networking, systems engineering, virtualization, and data center design. Following that, Matt moved to Blacksburg to begin his graduate studies and is currently completing his PhD work in mathematics at Virginia Tech. His research has focused on the development of efficient algorithms for solving large-scale, ill-posed inverse problems which intersects nicely with high-performance computing. In his role at ARC, Matt works to enable research by connecting people with ARC's computational resources, optimizing those systems' utility, and working with others in our group to plan and engineer future systems.

Miles Gentry
Systems Engineer

Email: wgentry@vt.edu

Miles Gentry joined ARC as a System Engineer in Spring of 2020.  Prior to joining ARC, he supported parallel storage, HPC resources, research software and enterprise computing resources for Fralin Life Sciences Institute. Before joining Virginia Tech, he worked for a nationally known environmental consulting firm developing models, visualizations and applications to support industry and litigation clients.

Jeremy Johnson
Systems Engineer

Email: jsjohns@vt.edu

Jeremy's been in and around research computing since 2006 and before that focused on enterprise systems. His interests lie in containerization, virtualization, and automating scalability of scientific workloads. When Jeremy's not in front of a computer he enjoys time with his family and not thinking about computers.

Doug McMaster
Systems Engineer

Email: mcmaster@vt.edu

Doug McMaster received his bachelor's degree in Computer Engineering from Virginia Tech and spent several years as a software engineer before turning his focus to systems engineering. Doug joined Virginia Tech in 2008 as a systems administrator for the Virginia Bioinformatics Institute and has since been involved in all aspects of enterprise and research computing. When he is not behind a terminal or in a data center, Doug enjoys spending time with family and friends, grilling and Hokie sports.

William Marmagas
Senior HPC Systems Administrator

Email.com: zorba@vt.edu

My professional background includes expertise in high performance computing, high throughput computing, UNIX and Linux systems administration, high availability, large scale storage, and systems and network management. I specialize in the area of high performance computing (HPC) engineering and administration for Advanced Research Computing (ARC). I have been involved with HPC at Virginia Tech since 2006, serving in roles within the Division of Information Technology and within research institutes at Virginia Tech.

Dr. Kevin Shinpaugh
Director of ARC Operations

Email: kashin@vt.edu

Dr. Kevin Shinpaugh has been involved with research computing at VT since 2001, serving as the Director of Research and Cluster Computing from 2001 - 2011 with ARC and the Director of IT and HPC at the Virginia Bioinformatics Institute which became the Biocomplexity Institute.  He is also a professor in Aerospace and Ocean Engineering.