Personnel

JICS Administration
Staff Name Title Office Phone Email Address
Cassidy, Terrie Administrative Specialist 865-574-1846 tcassidy@utk.edu
Chance, Angie Administrative Specialist 865-241-0643 achance@utk.edu
Mezzacappa, Anthony JICS Director 865-574-5493 mezz@utk.edu
Peterson, Gregory JICS Deputy Director 865-241-0080 gdp@utk.edu
Reed, Don Budget Director 865-241-3704 dreed@utk.edu
Sonewald, Elizabeth Student Assistant 865-576-9394 sonewaldev@ornl.gov
Wilkerson, Donna Division Administrator 865-574-5493 wilkersondj@ornl.gov
Chief Officers
Staff Name Title Office Phone Email Address
Ahern, Sean Chief Data Officer 865-408-8463 ahern@utk.edu
Braby, Ryan Chief Cyberinfrastructure Architect 865-576-1431 rbraby@utk.edu
Brook, Glenn Chief Technology Officer 865-241-6174 glenn-brook@tennessee.edu
Hazlewood, Victor Chief Operating Officer 865-776-0770 victor@utk.edu
Whitt, Justin Chief Program Officer 865-576-0156 justin-whitt@tennessee.edu
Campus Research Programs
Staff Name Title Office Phone Email Address
Cortese, Ronald (James) Graduate Research Assistant 865-974-0027 rcortese@utk.edu
Halloy, Christian Director Campus and Research Programs 865-974-0045 halloy@jics.utk.edu
Kail, Andrew Graduate Research Assistant 865-974-0027 akail@utk.edu
Sekachev, Mikhail Research Assistant 865-297-3782 mikhail@utk.edu
White, David Student Assistant 865-974-0045 dwhite54@utk.edu
Wong, Kwai Deputy Director Campus and Research Programs 865-974-8833 wong@jics.utk.edu
Yost, Christal Information Specialist 865-974-8844 christal@utk.edu
Research
Computational Biology and Bioinformatics
Staff Name Title Office Phone Email Address
Adebali, Ogun Graduate Assistant 865-974-7687 oadebali@utk.edu
Fleetwood, Aaron Graduate Assistant 865-974-7687 afleetwo@utk.edu
Jun, Se-Ran Research Scientist 865-574-8650 sjun4@utk.edu
Liu, Yuan Graduate Research Assistant 865-574-5493 yliu89@utk.edu
Ortega, Davi Research Coordinator 865-974-7687 dortega@utk.edu
Rekepalli, Bhanu Computational Scientist 865-574-0403 brekapal@utk.edu
Upadhyay, Amit Graduate Assistant 865-974-7687 aupadhy1@utk.edu
JICS Student Interns
Staff Name Title Office Phone Email Address
Barry, Daniel Patrick Student Intern barrydan9@gmail.com
Fournier, Rory J. Student Intern 615-431-2876 rfournie@utk.edu
Harrison, Jeramy Student Intern jharr128@utk.edu
Howard, Adam Palmer Student Intern 615-206-8365 ahowar31@utk.edu
Olson, Matthew Benjamin Student Intern 901-484-8654 molson5@utk.edu
Weitering, Hanneke Student Assistant 865-691-4330 hweiteri@utk.edu
JICS ORNL Staff Affiliates
Staff Name Title Office Phone Email Address
Beaver, Justin Research Scientist 865-576-0327 beaverjm@ornl.gov
Bernholdt, David Research Scientist 865-574-3147 bernholdtde@ornl.gov
Beste, Ariana Research Scientist 865-241-3160 abeste@utk.edu
Billings, Jay Jay Research Scientist 865-241-6308 billingsjj@ornl.gov
Braiman, Yehuda Research Scientist 865-241-2065 braimany@ornl.gov
Fann, George Senior Research Staff 865-576-2374 fanngi@ornl.gov
Galindo, Diego Post-Doctoral Research Associate 865-241-2908 dgalind1@utk.edu
Goodpasture, Jennifer Project Management Assistant 865-574-2209 goodpasture@ornl.gov
Gorin, Andrey Senior Research Staff 865-241-3972 agor@ornl.gov
Goswami, Monojoy Research Scientist 865-576-3265 mgoswami@utk.edu
Grice, Warren Research Scientist 865-241-2061 gricew@ornl.gov
Hoffmann, Christina TOPAZ instrument scientist 865-576-5127 choffmann@ornl.gov
Jewell, Brian Research Associate 865-241-4433 jewellbc@ornl.gov
Jun, Se-Ran Research Scientist 865-574-6639 junse@ornl.gov
McCaskey, Alexander Student Assistant 865-974-5493 mccaskeyaj@ornl.gov
Michels-Clark, Tara Research Associate 931-260-0799 tmichels@utk.edu
Mintz, Tiffany Post-Doctoral Research Associate 865-574-9887 tmintz@utk.edu, mintztm@ornl.gov
Neschke, Brendan Student Assistant 865-576-5784 neschkeb@ornl.gov
Rusanu, Aurelian Research Scientist 865-574-5155 arusanu@utk.edu, rusanua@ornl.gov
Schaake, Jason Graduate Research Assistant jschaake@utk.edu, schaakej@ornl.gov
Schuchart, Joseph Research Associate 865-241-6293 jschucha@utk.edu, schuchartj@ornl.gov
Stahl, Christopher Research Associate 865-241-4435 stahlcg@ornl.gov
Steed, Chad Research Scientist 865-574-7168 steedca@ornl.gov
Stocks, Malcom G. Corporate Fellow 865-574-5163 stocksgm@ornl.gov
Sumpter, Bobby Distinguished Research Staff 865-574-4973 sumpterbg@ornl.gov
Thornton, Wm. Scott Research Scientist 865-574-8650 wthornto@utk.edu
Vlcek, Lukas Research Scientist 865-241-4888 vlcekl1@ornl.gov
Webster, Clayton Senior Staff Scientist 865-574-3649 webstercg@ornl.gov
Wesolowski, David Distinguished Research Staff 865-574-6903 wesolowskid@ornl.gov
Williams, Brian P. Graduate Research Assistant 865-974-3342 bwilli38@utk.edu, williamsbp@ornl.gov
Computational Chemistry
Staff Name Title Office Phone Email Address
Beste, Ariana Research Scientist 865-241-3160 abeste@utk.edu
Fridman, Tamah Research Scientist 865-241-9820 tfridmant@utk.edu
Goswami, Monojoy Research Scientist 865-576-3265 mgoswami@utk.edu
Michels-Clark, Tara Research Scientist 931-260-0799 tmichels@utk.edu; michelsclatm@ornl.gov
Pan, Chongle JICS Affiliated Faculty 865-974-1531 panc@ornl.gov
Thornton, William Research Scientist 865-574-5493 wthornto@utk.edu
Vlcek, Lukas Research Scientist 865-241-4888 lvlcek@utk.edu
Application Acceleration Center for Excellence (AACE)
Staff Name Title Office Phone Email Address
Betro, Vince Research Scientist 865-576-8905 vbetro@tennessee.edu
Brook, Glenn Project Director 865-241-6174 glenn-brook@tennessee.edu
Peyton, Jonathan Graduate Research Assistant jpeyton1@utk.edu
Piotrowski, Sue Professional Intern smfpphd@gmail.com
Thompson, Travis Computational Mathematician 865-574-7790 tthompson@tennessee.edu
Computational Engineering
Staff Name Title Office Phone Email Address
Betro, Vince Research Scientist 865-576-8905 vbetro@tennessee.edu
Braiman, Yehuda JICS Affiliated ORNL Faculty 865-241-2065 ybraiman@utk.edu
Fu, Joshua JICS Affiliated Faculty 865-974-2629 jsfu@utk.edu
Logan, Jeremy Computational Scientist 865-574-9764 jlogan7@utk.edu
Neschke, Brendan Graduate Research Assistant 865-574-7131 neschkeb@ornl.gov
TerMaath, Stephanie JICS Affiliated Faculty 865-974-7711 stermaat@utk.edu
Wong, Kwai Research Scientist 865-974-8833 kwong@utk.edu
Computational Physics
Staff Name Title Office Phone Email Address
Budiardja, Reuben Research Scientist 865-576-9519 reubendb@utk.edu
Krstic, Predrag Research Scientist 865-974-0045 pkrstic@utk.edu
Mezzacappa, Anthony JICS Director 865-574-5493 mezz@utk.edu
Rusanu, Aurelian Research Scientist 865-574-5493 arusanu@utk.edu
Schaake, Jason Graduate Research Assistant 865-974-5493 schaakej@ornl.gov
Williams, Brian Graduate Research Assistant 865-574-6493 bwilli38@utk.edu
Yakunin, Konstantin Post-Doctoral Research Associate 865-574-8650 kyakunin@utk.edu
Computational and Applied Mathematics
Staff Name Title Office Phone Email Address
Galindo, Diego Research Scientist 865-241-2908 dgalind1@utk.edu
Neschke, Brendan Research Scientist 865-576-5784 neschkeb@ornl.gov
Thompson, Travis Computational Mathematician 865-574-7790 tthompson@tennessee.edu
Xing, Yulong JICS Joint Faculty 865-974-4314 yxing1@utk.edu
Computational Materials Science
Staff Name Title Office Phone Email Address
Gao, Yanfei JICS Affiliated Faculty 865-974-2350 ygao7@utk.edu
Jakowski, Jacek Computational Scientist 865-574-5493 jjakowsk@utk.edu
Keffer, David JICS Affiliated Faculty 865-974-5322 dkeffer@utk.edu
Computer Science and Software
Staff Name Title Office Phone Email Address
Jewell, Brian Research Associate 865-241-4433 jewellbc@ornl.gov
McCaskey, Alexander Graduate Research Assistant 865-974-5493 mccaskeyaj@ornl.gov
Mintz, Tiffany Research Scientist 803-574-9887 tmintz@utk.edu
Patel, Pragneshkumar Research Scientist 865-576-0627 pragnesh@utk.edu
Peterson, Gregory JICS Joint Faculty 865-241-0080 gdp@utk.edu
Schuchart, Joseph Research Associate 865-241-6293 jschucha@utk.edu
Son, Gwang Graduate Research Assistant son@utk.edu
Srinivasan, Sudarshan Graduate Research Assistant ssriniv3@utk.edu
Stahl, Christopher Research Associate 865-241-4435 stahlcg@ornl.gov
Tian, Yuan Post-Doctoral Research Associate 865-576-0324 tiany@ornl.gov
You, Haihang Research Scientist 865-574-2083 hyou@utk.edu
Zhao, Ziliang Graduate Research Assistant 865-974-2418 zzhao7@utk.edu
Keeneland Project
Staff Name Title Office Phone Email Address
Vetter, Jeff Project Director 865-356-1649 vetter@ornl.gov
NICS Staff
Administration (Lead: Gregory Peterson)
 Staff Name Title Office Phone Email Address
Braby, RyanChief Cyberinfrastructure Officer865-576-1431rbraby@utk.edu
Brook, Robert GlennChief Technology Officer865-241-6174glenn-brook@tennessee.edu
Cassidy, TerrieAdministrative Specialist865-574-1846tcassidy@utk.edu
Chance, Angela Administrative Specialist865-241-0643achance@utk.edu
Fahey, MarkDeputy Director865-241-5471mfahey@utk.edu
Hazlewood, VictorChief Operating Officer865-776-0770victor@utk.edu
Peterson, GregoryDirector 865-241-0080gdp@utk.edu
Reed, DonBudget Director865-241-3704dreed@utk.edu
Wells, ScottProject Manager865-574-1525swells@utk.edu
Whitt, JustinChief Project Officer865-576-0156justin-whitt@utk.edu
Wilkerson, DonnaAdministrative Assistant865-574-5493wilkersondj@ornl.gov
Education, Outreach and Training (Lead: James Ferguson)
 Staff Name Title Office Phone Email Address
Ferguson, JamesDirector of Education, Outreach and Training865-241-3702jwf@utk.edu
Gibson, WalterPublic Information Officer865-206-6499wscottgibson@tennessee.edu
Yost, ChristalInformation Specialist865-974-8844christal@utk.edu
Systems and Operations (Lead: Stephen McNally)
 Staff Name Title Office Phone Email Address
Baer, TroyHPC Systems Administrator865-241-4233tbaer@utk.edu
Campfield, MichaelHPC Systems Administrator865-576-6472mcampfld@tennessee.edu
Charcalla, JasonHPC Analyst865-241-0455jcharcalla@utk.edu
Cole, AnthonyHPC Specialist865-241-9496acole34@utk.edu
Gainey, RonnieHPC Systems and Operations Group865-850-5101rmgainey@pstcc.edu
Hanley, JesseHPC Systems Administrator865-576-0319hanleyja@tennessee.edu
McNally, StephenGroup Leader HPC Operations865-574-0839smcnally@utk.edu
Mohr, RickHPC System Administrator865-241-6311rmohr@utk.edu
ODonnell, JamesHPC Systems Programmer865-574-3810jodonne5@utk.edu
Rogers, GaryHPC System Programmer865-576-1430grogers3@utk.edu
Samuel, TabithaHPC Systems Programmer865-574-0413tsamuel@utk.edu
Simmerman, ScottXSEDE Application Support865-574-3238simmerma@eecs.utk.edu
Sparks, BennyNetwork Engineer865-576-6358bsparks@utk.edu
Wynkoop, JohnHPC System Adminstrator865-576-7269jlw@utk.edu
Scientific Computing (Lead: Lonnie Crosby)
 Staff Name Title Office Phone Email Address
Betro, VincentComputational Scientist865-576-8905vbetro@tennessee.edu
Budiardja, ReubenComputational Scientist865-576-9519reubendb@utk.edu
Jakowski, JacekComputational Scientist865-574-6093jjakowsk@utk.edu
Patel, PragneshkumarComputational Scientist and Data Analysis Support865-576-0627pragnesh@utk.edu
Wong, Kwai L.Research Scientist865-574-1534kwong@utk.edu
User Support (Lead: Bobby Whitten)
 Staff Name Title Office Phone Email Address
Collins, DonaldHPC Consultant865-576-2176starman@utk.edu
Hulguin, RyanHPC Consultant865-241-1951ryan-hulguin@tennessee.edu
John, DwayneHPC Consultant865-241-8832djohn@utk.edu
Lucio, DanielHPC Consultant865-241-5321dlucio@utk.edu
Mack, YashemaHPC Consultant865-574-9945ymack@utk.edu
McWilliams, DavidHPC Consultant217-398-4081davem@nics.tennessee.edu
Redd, PattiHPC Consultant865-241-6173patti@utk.edu
Su, ShiquanHPC Consultant865-576-9364ssu2@utk.edu
Walsh, JohnSenior HPC System Administrator865-241-9345jwalsh3@utk.edu