Name
Email
Group
Heather Aczel
Heather Aczel
Group Administrative Assistant
aczelhm@ornl.gov
OLCF Group: Computer Science Research
Ryan Adamson
HPC Core Operations Group Leader
adamsonrm@ornl.gov
OLCF Group: Center Leadership High-Performance Computing Core Operations
Sharon Allen
Group Secretary
skallen@ornl.gov
OLCF Group: High-Performance Computing and Data Operations
Valentine Anantharaj
Computational Scientist (Climate)
anantharajvg@ornl.gov
OLCF Group: Advanced Data and Workflow
Scott Atchley
HPC Systems Engineer
atchleyes@ornl.gov
OLCF Group: Technology Integration
Ashley Barker
Group Leader, User Assistance and Outreach
ashley@ornl.gov
OLCF Group: User Assistance & Outreach Center Leadership
Edmon Begoli
Director, SPDF
begolie@ornl.gov
OLCF Group: Center Leadership
Matt Belhorn
HPC Support Specialist and Programmer
matt.belhorn@gmail.com
OLCF Group: User Assistance & Outreach
David Bernholdt
Distinguished R&D Staff and Group Leader
bernholdtde@ornl.gov
OLCF Group: Computer Science Research Center Leadership
Mark Berrill
Computational Scientist
berrillma@ornl.gov
OLCF Group: Scientific Computing
Katie Bethea
Outreach Project Manager
betheakl@ornl.gov
OLCF Group: User Assistance & Outreach
Kevin Bivens
HPC Cyber Security Administrator
bivenks@ornl.gov
OLCF Group: High-Performance Computing Core Operations
Arthur Bland
OLCF Program Director
blandas@ornl.gov
OLCF Group: Center Leadership
Swen Boehm
Computer Science Researcher
boehms@ornl.gov
OLCF Group: Computer Science Research
Michael Brim
Tools Developer
brimmj@ornl.gov
OLCF Group: Computer Science Research
Christopher Brumgard
HPC Systems Engineer
brumgardcd@ornl.gov
OLCF Group: Technology Integration
Reuben Budiardja
Computational Scientist
reubendb@ornl.gov
OLCF Group: Scientific Computing
Dmytro Bykov
Computational Scientist
bykovd@ornl.gov
OLCF Group: Scientific Computing
Adam Carlyle
Lead Software Engineer
carlyleag@ornl.gov
OLCF Group: User Assistance & Outreach
Stefan Ceballos
HPC Data Engineer
ceballossl@ornl.gov
OLCF Group: High-Performance Computing Core Operations
Arghya Chatterjee
Performance Engineer
chatterjeea@ornl.gov
OLCF Group: Scientific Computing
Philip Curtis
HPC Linux/Storage System Administrator
curtispb@ornl.gov
OLCF Group: High-Performance Computing and Data Operations
Eduardo D’Azevedo
Eduardo D’Azevedo
Research Staff
dazevedoef@ornl.gov
OLCF Group: Scientific Computing
Daniel Dewey
Linux Systems Engineer
deweydr@ornl.gov
Colin Dietz
Linux Systems Engineer
dietzca@ornl.gov
OLCF Group: High-Performance Computing and Data Operations
Dan Dietz
Dan Dietz
HPC Engineer
dietzdt@ornl.gov
OLCF Group: User Assistance & Outreach
Adam Disney
HPC Storage Systems Engineer
disneyaw@ornl.gov
OLCF Group: Technology Integration
Pete Eby
Systems Architect
ebypi@ornl.gov
Markus Eisenbach
Computational Scientist
eisenbachm@ornl.gov
OLCF Group: Scientific Computing
Paul Eller
Postdoctoral Research Associate
ellerpr@ornl.gov
OLCF Group: Scientific Computing
Wael Elwasif
Research Staff Member
elwasifwr@ornl.gov
OLCF Group: Computer Science Research
Clay England
System Administrator
england@ornl.gov
OLCF Group: High-Performance Computing and Data Operations
Katherine (Kat) Engstrom
Visualization Support Specialist
engstromka@ornl.gov
OLCF Group: Advanced Data and Workflow
Matt Ezell
HPC Systems Administrator
ezellma@ornl.gov
OLCF Group: High-Performance Computing and Data Operations
Jamie Finney
HPC Software Support Engineer
finneyjm@ornl.gov
OLCF Group: User Assistance & Outreach
Nick Forrington
Field Applications Engineer for Arm
forringtonnr@ornl.gov
OLCF Group: Computer Science Research
Chris Fuson
Task Lead, User Assistance
fusoncb@ornl.gov
OLCF Group: User Assistance & Outreach
Brian Gajus
UI Designer / UX Developer
gajusbd@ornl.gov
OLCF Group: User Assistance & Outreach
Michael Galloway
Systems Engineer
gallowaymd@ornl.gov
Gregg Gawinski
HPC UNIX/Storage System Administrator
gawinskign@ornl.gov
OLCF Group: High-Performance Computing and Data Operations
Al Geist
Chief Technology Officer
gst@ornl.gov
OLCF Group: Center Leadership
Antigoni Georgiadou
Postdoctoral Research Associate
georgiadoua@ornl.gov
OLCF Group: Scientific Computing
Noah Ginsburg
HPC Security Engineer
ginsburgnm@ornl.gov
OLCF Group: High-Performance Computing Core Operations
Jens Glaser
Computational Scientist, Materials
glaserj@ornl.gov
OLCF Group: Scientific Computing
Mitch Griffith
Archival Storage Software Developer
griffithmr1@ornl.gov
OLCF Group: Technology Integration
James Hack
CCSD Director of HPC Strategies
jhack@ornl.gov
OLCF Group: Center Leadership
Jesse Hanley
HPC Unix/Storage System Administrator
hanleyja@ornl.gov
OLCF Group: High-Performance Computing and Data Operations
Rachel Harken
Science Writer
harkenrm@ornl.gov
OLCF Group: User Assistance & Outreach
James Austin Harris
Performance Engineer
harrisja@ornl.gov
OLCF Group: Scientific Computing
Karen Held
Administrative Assistant
heldkm@ornl.gov
OLCF Group: Scientific Computing
Benjamin Hernandez
Computer Scientist
hernandezarb@ornl.gov
OLCF Group: Advanced Data and Workflow
Oscar Hernandez
R&D Staff
oscar@ornl.gov
OLCF Group: Computer Science Research
Jason Hill
Operations Project Manager
hilljj@ornl.gov
OLCF Group: Center Leadership
Judith Hill
Group Leader, Scientific Computing Group
hilljc@ornl.gov
OLCF Group: Scientific Computing Center Leadership
Gustav Jansen
Computational Scientist - Nuclear Physics
jansengr@ornl.gov
OLCF Group: Scientific Computing
Lisa Jordan Rael
Task Lead
raellj@ornl.gov
OLCF Group: User Assistance & Outreach
Wayne Joubert
Computational Scientist
joubert@ornl.gov
OLCF Group: Scientific Computing
Cara Kennedy
Project Management Assistant
kennedycl@ornl.gov
OLCF Group: User Assistance & Outreach
Jason Kincl
HPC Linux Systems Engineer
kincljc@ornl.gov
OLCF Group: High-Performance Computing and Data Operations
Katie Knight
Data Engineer
knightke@ornl.gov
OLCF Group: Advanced Data and Workflow
Nicholson Koukpaizan
Postdoctoral Research Associate
koukpaizannk@ornl.gov
OLCF Group: Scientific Computing
Joe Lake
Strategic Programs Manager
lakeje@ornl.gov
OLCF Group: Center Leadership
Ryan Landfield
HPC Engineer
landfieldre@ornl.gov
OLCF Group: User Assistance & Outreach
David Langley
Finance Officer
langleydb@ornl.gov
OLCF Group: Center Leadership
Chris Layton
Linux Systems Engineer
laytoncc@ornl.gov
Dustin Leverman
HPC Systems Administrator
leverman@ornl.gov
OLCF Group: High-Performance Computing and Data Operations
Dmitry Liakh
Computational Scientist
liakhdi@ornl.gov
OLCF Group: Scientific Computing
Justin Lietz
Postdoctoral Research Associate
lietzjg@ornl.gov
OLCF Group: Scientific Computing
Hong Liu
HPC Engineer
liuh@ornl.gov
OLCF Group: User Assistance & Outreach
John Long
HPC Systems Administrator
2jl@ornl.gov
OLCF Group: High-Performance Computing and Data Operations
Hao Lu
Research Scientist in Large-Scale Data Science and Learning
luh1@ornl.gov
OLCF Group: Advanced Data and Workflow
Isaac Lyngaas
Postdoctoral Research Associate
lyngaasir@ornl.gov
OLCF Group: Scientific Computing
Stefan Maerz
HPC Cyber Security Engineer
maerzsa@ornl.gov
OLCF Group: High-Performance Computing Core Operations
Ketan Maheshwari
Linux Systems Engineer
km0@ornl.gov
OLCF Group: Advanced Data and Workflow
Elvis Maradzike
Postdoctoral Research Associate
maradzikee@ornl.gov
OLCF Group: Scientific Computing
Georgios Markomanolis
HPC Engineer
markomanolig@ornl.gov
OLCF Group: User Assistance & Outreach
Michael (Mike) Matheson
Visualization Specialist
mathesonma@ornl.gov
OLCF Group: Advanced Data and Workflow
Don Maxwell
HPC Systems Administrator
maxwellde@ornl.gov
OLCF Group: High-Performance Computing and Data Operations
Verónica Melesse Vergara
HPC Engineer
vergaravg@ornl.gov
OLCF Group: User Assistance & Outreach
Bronson Messer
Director of Science
bronson@ornl.gov
OLCF Group: Center Leadership
Vassilios Mewes
Postdoctoral Research Associate in Computational Astrophysics
mewesv@ornl.gov
OLCF Group: Scientific Computing
Ross Miller
Systems Programmer
rgmiller@ornl.gov
OLCF Group: Technology Integration
Jeffrey Miller
Linux Systems Engineer
millerjl@ornl.gov
OLCF Group: High-Performance Computing Core Operations
Brenna Miller
HPC Systems Engineer
millerbk@ornl.gov
OLCF Group: High-Performance Computing and Data Operations
Tiffany Mintz
Computer Scientist
mintztm@ornl.gov
OLCF Group: Computer Science Research
Sheila Moore
Project Management Assistant
mooresa@ornl.gov
OLCF Group: User Assistance & Outreach
Paul Mott
Post Doctoral Research Associate
mottps@ornl.gov
OLCF Group: Scientific Computing
Sonya Mowery
Administrative Assistant
mowerys@ornl.gov
OLCF Group: User Assistance & Outreach
Chris Muzyn
HPC Systems Administrator
muzyncj@ornl.gov
OLCF Group: High-Performance Computing and Data Operations
Thomas Naughton
R&D Staff
naughtont@ornl.gov
OLCF Group: Computer Science Research
Paul Newman
Network Engineer
newmanpm@ornl.gov
OLCF Group: High-Performance Computing Core Operations
Stephen Nichols
Computational Scientist, Computational Fluid Dynamics
nicholsss@ornl.gov
OLCF Group: Scientific Computing
Jeff Niles
HPC Storage Systems Engineer
nilesj@ornl.gov
OLCF Group: High-Performance Computing and Data Operations
Matthew Norman
Computational Climate Scientist
normanmr@ornl.gov
OLCF Group: Scientific Computing
Sarp Oral
Group Leader, Technology Integration
oralhs@ornl.gov
OLCF Group: Technology Integration Center Leadership
Larry Orcutt
HPC Linux Systems Engineer
orcuttlk@ornl.gov
OLCF Group: High-Performance Computing Core Operations
George Ostrouchov
Statistician
ostrouchovg@ornl.gov
OLCF Group: Advanced Data and Workflow
Rachel Palumbo
HPC Data Engineer
palumborl@ornl.gov
OLCF Group: High-Performance Computing Core Operations
Tom Papatheodore
HPC Engineer
papatheodore@ornl.gov
OLCF Group: User Assistance & Outreach
Suzanne Parete-Koon
HPC Engineer
paretekoonst@ornl.gov
OLCF Group: User Assistance & Outreach
Daniel Pelfrey
HPC Network Engineer
dspelfrey@ornl.gov
OLCF Group: High-Performance Computing Core Operations
Paul Peltz
Senior HPC Systems Engineer-HPC Ops
peltzpl@ornl.gov
OLCF Group: High-Performance Computing and Data Operations
Norbort Podhorszki
Team Lead: Scientific Data Management
pnorbert@ornl.gov
OLCF Group: Advanced Data and Workflow
Swaroop Pophale
Computer Scientist
pophaless@ornl.gov
OLCF Group: Computer Science Research
Ryan Prout
Data Engineer
proutrc@ornl.gov
OLCF Group: High-Performance Computing Core Operations
David Pugmire
Team Lead: Scientific Data Analytics
pugmire@ornl.gov
OLCF Group: Advanced Data and Workflow
Rich Ray
HPC Systems Administrator
raray@ornl.gov
OLCF Group: High-Performance Computing and Data Operations
Sherry Ray
Project Management Assistant
rayce@ornl.gov
OLCF Group: User Assistance & Outreach
William Renaud
HPC Engineer
brenaud@ornl.gov
OLCF Group: User Assistance & Outreach
Tori Robinson
HPC Cyber Security Engineer
robinsonte@ornl.gov
OLCF Group: High-Performance Computing Core Operations
Jeremy Rogers
HPC Systems Administrator
rogersjn3@ornl.gov
OLCF Group: High-Performance Computing and Data Operations
Jim Rogers
Director, Computing and Facilities
jrogers@ornl.gov
OLCF Group: Center Leadership
David Rogers
Computational Scientist
rogersdm@ornl.gov
OLCF Group: Scientific Computing
Philip Roth
Research and Development Staff Member
rothpc@ornl.gov
OLCF Group: Scientific Computing
Pam Russell
Group Administrative Assistant/ Project Support
russellpa@ornl.gov
OLCF Group: Advanced Data and Workflow
Drew Schmidt
Software Engineer
schmidtda@ornl.gov
OLCF Group: Advanced Data and Workflow
Andrea Schneibel
Science Writer
schneibelay@ornl.gov
OLCF Group: User Assistance & Outreach
Arjun Shankar
Group Leader, Advanced Data and Workflow
shankarm@ornl.gov
OLCF Group: Advanced Data and Workflow Center Leadership
Woong Shin
HPC Systems Engineer
shinw@ornl.gov
OLCF Group: Technology Integration
Preston Shires
Software Engineer
shirespw@ornl.gov
OLCF Group: User Assistance & Outreach
Sergey Shpanskiy
HPC Systems Administrator
sergey@ornl.gov
OLCF Group: High-Performance Computing and Data Operations
Michael Shute
HPC Linux Systems Engineer
shutemh@ornl.gov
OLCF Group: High-Performance Computing Core Operations
Gregory (Greg) Shutt
CADES Task Lead
shuttgl@ornl.gov
OLCF Group: Advanced Data and Workflow
Matt Sieger
Deputy Project Director
siegermt@ornl.gov
OLCF Group: Center Leadership
Hyogi Sim
HPC Systems Engineer
simh@ornl.gov
OLCF Group: Technology Integration
Scott Simmerman
Software Developer
simmermansg@ornl.gov
OLCF Group: User Assistance & Outreach
James Simmons
Systems Programmer
simmonsja@ornl.gov
OLCF Group: Technology Integration
Brian Smith
Sr HPC Engineer
smithbe@ornl.gov
OLCF Group: User Assistance & Outreach
Suhas Somnath
Computer Scientist
somnaths@ornl.gov
OLCF Group: Advanced Data and Workflow
Lawrence Sorrillo
HPC Systems Linux Cluster Administrator
sorrillol@ornl.gov
OLCF Group: High-Performance Computing and Data Operations
Benny Sparks
HPC Network Engineer
sparksbm@ornl.gov
OLCF Group: High-Performance Computing Core Operations
Dale Stansberry
Systems Programmer
stansberrydv@ornl.gov
OLCF Group: Advanced Data and Workflow
Cory Stargel
HPC Systems Linux Engineer
stargelcm@ornl.gov
OLCF Group: High-Performance Computing Core Operations
Shermy Stephens
Program Management Assistant
stephensss@ornl.gov
OLCF Group: User Assistance & Outreach
Dr. T. P. Straatsma
Distinguished Research Scientist
str@ornl.gov
OLCF Group: Center Leadership
Kevin Thach
Group Leader, High-Performance Computing Operations
kthach@ornl.gov
OLCF Group: High-Performance Computing and Data Operations Center Leadership
Arnold Tharrington
Computational Scientist
arnoldt@ornl.gov
OLCF Group: Scientific Computing
Gina Tourassi
Division Director
tourassig@ornl.gov
OLCF Group: Center Leadership
Aristeidis Tsaris
Research Scientist in Large-Scale Data Science and Learning
tsarisa@ornl.gov
OLCF Group: Advanced Data and Workflow
Coury Turczyn
Science Writer
turczyncz@ornl.gov
OLCF Group: User Assistance & Outreach
Josh Vermaas
Computational Scientist
vermaasjv@ornl.gov
OLCF Group: Scientific Computing
Joseph Voss
HPC Linux Systems Engineer
vossjm@ornl.gov
OLCF Group: High-Performance Computing and Data Operations
Tony Walsh
HPC Linux Systems Engineer - Clusters
walshad1@ornl.gov
OLCF Group: High-Performance Computing and Data Operations
Feiyi Wang
HPC System Engineer
fwang2@ornl.gov
OLCF Group: Technology Integration
Spencer Ward
HPC DevOps Engineer
wardse@ornl.gov
OLCF Group: User Assistance & Outreach
Linda Weltman
Sr. Administrative Assistant
weltmanlk@ornl.gov
OLCF Group: Center Leadership
Vicky White
Senior HPSS Developer
vyw@ornl.gov
OLCF Group: Technology Integration
Richard Whitehead
HPC Cyber Security Policy Engineer
whiteheadrl@ornl.gov
OLCF Group: High-Performance Computing Core Operations
Justin Whitt
OLCF-5 Project Director
whitt@ornl.gov
OLCF Group: Center Leadership
Sean Wilkinson
Research Scientist in Large-Scale Data Science and Learning
wilkinsonsr@ornl.gov
OLCF Group: Advanced Data and Workflow
James Wynne III
HPC Linux Systems Engineer
wynnejr@ornl.gov
OLCF Group: High-Performance Computing Core Operations
Bing Xie
HPC Systems Engineer
xieb@ornl.gov
OLCF Group: Technology Integration
Junqi Yin
Computational Scientist
yinj@ornl.gov
OLCF Group: Advanced Data and Workflow
Travis Young
Post-Bachelor's Research Associate
youngtw@ornl.gov
OLCF Group: User Assistance & Outreach
Brian Zachary
Scalable Protected Systems Architect
zacharybs@ornl.gov
OLCF Group: High-Performance Computing and Data Operations
Christopher Zimmer
HPC Systems Engineer
cjzimmer@ornl.gov
OLCF Group: Technology Integration