Name
Email
Group
Subil Abraham
HPC Engineer
abrahams@ornl.gov
OLCF Group: User Assistance – Production Systems
Paul Abston
Data Center Manager and OCR Team Lead
abstonjp@ornl.gov
OLCF Group: HPC Infrastructure Operations
Heather Aczel
Administrative Assistant
aczelhm@ornl.gov
OLCF Group: Technology Integration
Ryan Adamson
HPC Core Operations Group Leader
adamsonrm@ornl.gov
OLCF Group: HPC Cybersecurity & Information Engineering
Sharon Allen
Administrative Assistant
skallen@ornl.gov
OLCF Group: HPC Clusters HPC Cybersecurity & Information Engineering HPC Infrastructure & Networking HPC Infrastructure Operations HPC Storage & Archive HPC Scalable Systems
Valentine Anantharaj
Computational Scientist (Climate)
anantharajvg@ornl.gov
OLCF Group: Data Lifecycle & Scalable Workflows
Scott Atchley
HPC Systems Engineer
atchleyes@ornl.gov
OLCF Group: Technology Integration
Carl Bai
HPC Cyber Security Engineer
baicj@ornl.gov
OLCF Group: HPC Cybersecurity & Information Engineering
Ashley Barker
Section Head, Operations
ashley@ornl.gov
OLCF Group: Center Leadership
Aaron Barlow
HPC Software Engineer
barlowat@ornl.gov
OLCF Group: Application Development & Access
Matt Belhorn
HPC Support Specialist and Programmer
matt.belhorn@gmail.com
OLCF Group: User Assistance – Pre-Production Systems
David Bernholdt
Distinguished Research Scientist
bernholdtde@ornl.gov
OLCF Group: Center Leadership
Mark Berrill
Computational Scientist
berrillma@ornl.gov
OLCF Group: Advanced Computing for Life Sciences & Engineering
Katie Bethea
Outreach and Communications Group Leader
betheakl@ornl.gov
OLCF Group: Outreach & Communications
Kevin Bivens
HPC Cyber Security Administrator
bivenks@ornl.gov
OLCF Group: HPC Cybersecurity & Information Engineering
Arthur Bland
Special Advisor to the Director
blandas@ornl.gov
OLCF Group: Center Leadership
John Breazeale
Computer Operator
breazealejh@ornl.gov
OLCF Group: HPC Infrastructure Operations
Christopher Brumgard
HPC Systems Engineer
brumgardcd@ornl.gov
OLCF Group: Technology Integration
Paul Bryant
Software Engineer
bryantpj@ornl.gov
OLCF Group: Application Development & Access
Reuben Budiardja
Computational Scientist
reubendb@ornl.gov
OLCF Group: Advanced Computing for Nuclear, Particles, & Astrophysics
Dmytro Bykov
Computational Scientist
bykovd@ornl.gov
OLCF Group: Advanced Computing for Chemistry & Materials Group
Adam Carlyle
Group Leader, Application Development & Access
carlyleag@ornl.gov
OLCF Group: Application Development & Access
Stefan Ceballos
HPC Data Engineer
ceballossl@ornl.gov
OLCF Group: HPC Cybersecurity & Information Engineering
Philip Curtis
HPC Linux/Storage System Administrator
curtispb@ornl.gov
OLCF Group: HPC Storage & Archive
Sajal Dash
Postdoctoral Research Associate
dashs@ornl.gov
OLCF Group: Analytics and AI Methods at Scale
Matthew Davis
HPC Engineer
davismj@ornl.gov
OLCF Group: User Assistance – Pre-Production Systems
Colin Dietz
Linux Systems Engineer
dietzca@ornl.gov
OLCF Group: HPC Clusters
Dan Dietz
HPC Engineer
dietzdt@ornl.gov
OLCF Group: User Assistance – Pre-Production Systems
Adam Disney
HPC Storage Systems Engineer
disneyaw@ornl.gov
OLCF Group: Technology Integration
Sly Dumitru
HPC Data Management Software Engineer
dumitruss@ornl.gov
OLCF Group: Technology Integration
David Eberius
Postdoctoral Research Associate
eberiusdw@ornl.gov
OLCF Group: Algorithms & Performance Analysis
Markus Eisenbach
Computational Scientist
eisenbachm@ornl.gov
OLCF Group: Advanced Computing for Chemistry & Materials Group
Paul Eller
Postdoctoral Research Associate
ellerpr@ornl.gov
OLCF Group: Algorithms & Performance Analysis
J. Austin Ellis
AI Performance Engineer
ellisja@ornl.gov
OLCF Group: Analytics and AI Methods at Scale
Matt Ezell
HPC Systems Administrator
ezellma@ornl.gov
OLCF Group: HPC Scalable Systems
Jamie Finney
HPC Software Support Engineer
finneyjm@ornl.gov
OLCF Group: User Assistance – Pre-Production Systems
Chris Fuson
Group Leader - User Assistance Production Systems
fusoncb@ornl.gov
OLCF Group: User Assistance – Production Systems
Brian Gajus
UI Designer / UX Developer
gajusbd@ornl.gov
OLCF Group: Outreach & Communications
Gregg Gawinski
HPC UNIX/Storage System Administrator
gawinskign@ornl.gov
OLCF Group: HPC Storage & Archive
Al Geist
Chief Technology Officer
gst@ornl.gov
OLCF Group: Center Leadership
Anjus George
HPC Systems Software Engineer
georgea@ornl.gov
OLCF Group: Technology Integration
Antigoni Georgiadou
Postdoctoral Research Associate
georgiadoua@ornl.gov
OLCF Group: Advanced Computing for Nuclear, Particles, & Astrophysics
Swarnava Ghosh
POSTDOCTORAL RESEARCH ASSOCIATE
ghoshs@ornl.gov
OLCF Group: Advanced Computing for Chemistry & Materials Group
Noah Ginsburg
HPC Security Engineer
ginsburgnm@ornl.gov
OLCF Group: HPC Cybersecurity & Information Engineering
Jens Glaser
Computational Scientist, Materials
glaserj@ornl.gov
OLCF Group: Advanced Computing for Chemistry & Materials Group
Muralikrishnan Gopalakrishnan Meena
Postdoctoral Research Associate
gopalakrishm@ornl.gov
OLCF Group: Advanced Computing for Life Sciences & Engineering
Mitch Griffith
Archival Storage Software Developer
griffithmr1@ornl.gov
OLCF Group: Technology Integration
Jesse Hanley
HPC Unix/Storage System Administrator
hanleyja@ornl.gov
OLCF Group: HPC Storage & Archive
James Austin Harris
Performance Engineer
harrisja@ornl.gov
OLCF Group: Advanced Computing for Nuclear, Particles, & Astrophysics
Karen Held
Administrative Assistant
heldkm@ornl.gov
OLCF Group: Advanced Computing for Chemistry & Materials Group Advanced Computing for Life Sciences & Engineering Advanced Computing for Nuclear, Particles, & Astrophysics Algorithms & Performance Analysis
Benjamin Hernandez
Computer Scientist
hernandezarb@ornl.gov
OLCF Group: Analytics and AI Methods at Scale
Jason Hill
Operations Project Manager
hilljj@ornl.gov
OLCF Group: Center Leadership
Gustav Jansen
Computational Scientist - Nuclear Physics
jansengr@ornl.gov
OLCF Group: Advanced Computing for Nuclear, Particles, & Astrophysics
Balint Joo
Senior Staff Computational Scientist
joob@ornl.gov
OLCF Group: Advanced Computing for Nuclear, Particles, & Astrophysics
Wayne Joubert
Computational Scientist
joubert@ornl.gov
OLCF Group: Algorithms & Performance Analysis
Mariia Karabin
Postdoctoral Research Associate
karabinm@ornl.gov
OLCF Group: Advanced Computing for Chemistry & Materials Group
Ahmad Maroof Karimi
HPC Operational Data Scientist
karimiahmad@ornl.gov
OLCF Group: Analytics and AI Methods at Scale
Cara Kennedy
Project Management Assistant
kennedycl@ornl.gov
OLCF Group: Application Development & Access
Jason Kincl
Group Leader, Platforms
kincljc@ornl.gov
OLCF Group: Platforms
Katie Knight
Data Engineer
knightke@ornl.gov
OLCF Group: Data Lifecycle & Scalable Workflows
Nicholson Koukpaizan
Postdoctoral Research Associate
koukpaizannk@ornl.gov
OLCF Group: Algorithms & Performance Analysis
Olga Kuchar
Group Lead
kucharoa@ornl.gov
OLCF Group: Data Lifecycle & Scalable Workflows
Joe Lake
Strategic Programs Manager
lakeje@ornl.gov
OLCF Group: Center Leadership
Ryan Landfield
HPC Engineer
landfieldre@ornl.gov
OLCF Group: User Assistance – Production Systems
David Langley
Finance Officer
langleydb@ornl.gov
OLCF Group: Center Leadership
Cynthia Leach
Senior Control Room Operator
leachcd@ornl.gov
OLCF Group: HPC Infrastructure Operations
Dustin Leverman
HPC Storage and Archive Group Leader
leverman@ornl.gov
OLCF Group: HPC Storage & Archive
Dmitry Liakh
Computational Scientist
liakhdi@ornl.gov
OLCF Group: Advanced Computing for Chemistry & Materials Group
Justin Lietz
Postdoctoral Research Associate
lietzjg@ornl.gov
OLCF Group: Advanced Computing for Nuclear, Particles, & Astrophysics
Hong Liu
HPC Engineer
liuh@ornl.gov
OLCF Group: User Assistance – Production Systems
John Long
HPC Systems Administrator
2jl@ornl.gov
OLCF Group: Platforms
Hao Lu
Research Scientist in Large-Scale Data Science and Learning
luh1@ornl.gov
OLCF Group: Analytics and AI Methods at Scale
Isaac Lyngaas
Postdoctoral Research Associate
lyngaasir@ornl.gov
OLCF Group: Advanced Computing for Life Sciences & Engineering
Ketan Maheshwari
Linux Systems Engineer
km0@ornl.gov
OLCF Group: Data Lifecycle & Scalable Workflows
Elvis Maradzike
Postdoctoral Research Associate
maradzikee@ornl.gov
OLCF Group: Advanced Computing for Chemistry & Materials Group
Michael (Mike) Matheson
Visualization Specialist
mathesonma@ornl.gov
OLCF Group: Analytics and AI Methods at Scale
Don Maxwell
HPC Systems Administrator
maxwellde@ornl.gov
OLCF Group: HPC Scalable Systems
Rachel McDowell
Science Writer
mcdowellrm@ornl.gov
OLCF Group: Outreach & Communications
Verónica Melesse Vergara
Group Leader, User Assistance -- Pre-production Systems
vergaravg@ornl.gov
OLCF Group: User Assistance – Pre-Production Systems
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: Advanced Computing for Nuclear, Particles, & Astrophysics
J. Robert Michael
Chief Data Architect
michaeljr@ornl.gov
OLCF Group: Center Leadership
Ross Miller
Systems Programmer
rgmiller@ornl.gov
OLCF Group: Technology Integration
Jeffrey Miller
Linux Systems Engineer
millerjl@ornl.gov
OLCF Group: Platforms
Brenna Miller
HPC Systems Engineer
millerbk@ornl.gov
OLCF Group: HPC Storage & Archive
Tiffany Mintz
Computer Scientist
mintztm@ornl.gov
OLCF Group: Algorithms & Performance Analysis
Richard Mohr
HPC Systems Engineer
mohrrf@ornl.gov
OLCF Group: Technology Integration
Sheila Moore
Project Management Assistant
mooresa@ornl.gov
OLCF Group: Outreach & Communications
Paul Mott
Post Doctoral Research Associate
mottps@ornl.gov
OLCF Group: Advanced Computing for Chemistry & Materials Group
Sonya Mowery
Administrative Assistant
mowerys@ornl.gov
OLCF Group: User Assistance – Production Systems User Assistance – Pre-Production Systems Outreach & Communications Application Development & Access Platforms
Lisa Mulig
Task Lead
muliglj@ornl.gov
OLCF Group: Application Development & Access
Chris Muzyn
HPC Systems Administrator
muzyncj@ornl.gov
OLCF Group: HPC Scalable Systems
Paul Newman
Network Engineer
newmanpm@ornl.gov
OLCF Group: HPC Infrastructure & Networking
Stephen Nichols
Computational Scientist, Computational Fluid Dynamics
nicholsss@ornl.gov
OLCF Group: Advanced Computing for Life Sciences & Engineering
Jeff Niles
HPC Storage Systems Engineer
nilesj@ornl.gov
OLCF Group: HPC Storage & Archive
Matthew Norman
Computational Climate Scientist
normanmr@ornl.gov
OLCF Group: Advanced Computing for Life Sciences & Engineering
Vladyslav (Vlad) Oles
Postdoctoral Research Associate
olesv@ornl.gov
OLCF Group: Analytics and AI Methods at Scale
Sarp Oral
Group Leader, Technology Integration
oralhs@ornl.gov
OLCF Group: Technology Integration
Larry Orcutt
HPC Linux Systems Engineer
orcuttlk@ornl.gov
OLCF Group: HPC Infrastructure & Networking
Rachel Palumbo
HPC Data Engineer
palumborl@ornl.gov
OLCF Group: HPC Cybersecurity & Information Engineering
Tom Papatheodore
HPC Engineer
papatheodore@ornl.gov
OLCF Group: User Assistance – Pre-Production Systems
Suzanne Parete-Koon
HPC Engineer
paretekoonst@ornl.gov
OLCF Group: User Assistance – Production Systems
Arnab K. Paul
Postdoctoral Research Associate
paula@ornl.gov
OLCF Group: Analytics and AI Methods at Scale
Daniel Pelfrey
HPC Network Engineer
dspelfrey@ornl.gov
OLCF Group: HPC Infrastructure & Networking
Paul Peltz
Senior HPC Systems Engineer-HPC Ops
peltzpl@ornl.gov
OLCF Group: HPC Scalable Systems
George Phipps
Sr. Computer Control Room Operator
Phippsgwjr@ornl.gov
OLCF Group: HPC Infrastructure Operations
Ryan Prout
HPC Data Analytics Engineer
proutrc@ornl.gov
OLCF Group: User Assistance – Production Systems
Rich Ray
HPC Systems Administrator
raray@ornl.gov
OLCF Group: HPC Scalable Systems
Sherry Ray
Project Management Assistant
rayce@ornl.gov
OLCF Group: Outreach & Communications
William Renaud
HPC Engineer
brenaud@ornl.gov
OLCF Group: User Assistance – Production Systems
Clifford Richards
Control Room Operator
richardscl@ornl.gov
OLCF Group: HPC Infrastructure Operations
Tori Robinson
HPC Cyber Security Engineer
robinsonte@ornl.gov
OLCF Group: HPC Cybersecurity & Information Engineering
Jeremy Rogers
HPC Systems Administrator
rogersjn3@ornl.gov
OLCF Group: Platforms
Jim Rogers
Director, Computing and Facilities
jrogers@ornl.gov
OLCF Group: Center Leadership
David Rogers
Computational Scientist
rogersdm@ornl.gov
OLCF Group: Advanced Computing for Chemistry & Materials Group
Philip Roth
Research and Development Staff Member
rothpc@ornl.gov
OLCF Group: Algorithms & Performance Analysis
Pam Russell
Group Administrative Assistant/ Project Support
russellpa@ornl.gov
OLCF Group: Data Lifecycle & Scalable Workflows Analytics and AI Methods at Scale
Drew Schmidt
Software Engineer
schmidtda@ornl.gov
OLCF Group: Analytics and AI Methods at Scale
Andrea Schneibel
Science Writer
schneibelay@ornl.gov
OLCF Group: Outreach & Communications
Arjun Shankar
Section Head, Advanced Technologies
shankarm@ornl.gov
OLCF Group: Center Leadership
Woong Shin
HPC Systems Engineer
shinw@ornl.gov
OLCF Group: Analytics and AI Methods at Scale
Preston Shires
Software Engineer
shirespw@ornl.gov
OLCF Group: Application Development & Access
Sergey Shpanskiy
HPC Systems Administrator
sergey@ornl.gov
OLCF Group: HPC Clusters
Michael Shute
HPC Linux Systems Engineer
shutemh@ornl.gov
OLCF Group: HPC Infrastructure & Networking
Gregory (Greg) Shutt
CADES Task Lead
shuttgl@ornl.gov
OLCF Group: Data Lifecycle & Scalable Workflows
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: Application Development & Access
James Simmons
Systems Programmer
simmonsja@ornl.gov
OLCF Group: Technology Integration
Brian Smith
Sr HPC Engineer
smithbe@ornl.gov
OLCF Group: User Assistance – Production Systems
Suhas Somnath
Computer Scientist
somnaths@ornl.gov
OLCF Group: Data Lifecycle & Scalable Workflows
Lawrence Sorrillo
HPC Systems Linux Cluster Administrator
sorrillol@ornl.gov
OLCF Group: HPC Clusters
Benny Sparks
HPC Network Engineer
sparksbm@ornl.gov
OLCF Group: HPC Infrastructure & Networking
Dale Stansberry
Systems Programmer
stansberrydv@ornl.gov
OLCF Group: Data Lifecycle & Scalable Workflows
Charles Stapleford
Advanced Computing (Astrophysics) Post doc
staplefordcj@ornl.gov
OLCF Group: Advanced Computing for Nuclear, Particles, & Astrophysics
Cory Stargel
HPC Systems Linux Engineer
stargelcm@ornl.gov
OLCF Group: HPC Infrastructure & Networking
Shermy Stephens
Program Management Assistant
stephensss@ornl.gov
OLCF Group: Application Development & Access
T. P. Straatsma
Distinguished Research Scientist
str@ornl.gov
OLCF Group: Center Leadership
Kevin Thach
Section Head, Systems
kthach@ornl.gov
OLCF Group: Center Leadership
Arnold Tharrington
Computational Scientist
arnoldt@ornl.gov
OLCF Group: Algorithms & Performance Analysis
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: Analytics and AI Methods at Scale
Coury Turczyn
Science Writer
turczyncz@ornl.gov
OLCF Group: Outreach & Communications
Joseph Voss
HPC Linux Systems Engineer
vossjm@ornl.gov
OLCF Group: HPC Clusters
Tony Walsh
HPC Linux Systems Engineer - Clusters
walshad1@ornl.gov
OLCF Group: HPC Clusters
Feiyi Wang
Group Leader
fwang2@ornl.gov
OLCF Group: Analytics and AI Methods at Scale
Spencer Ward
HPC DevOps Engineer
wardse@ornl.gov
OLCF Group: Platforms
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: HPC Cybersecurity & Information Engineering
Justin Whitt
OLCF Program and 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: Data Lifecycle & Scalable Workflows
Teresa Wilson
Senior Control Room Operator
wilsontg@ornl.gov
OLCF Group: HPC Infrastructure Operations
James Wynne III
HPC Linux Systems Engineer
wynnejr@ornl.gov
OLCF Group: HPC Infrastructure & Networking
Bing Xie
HPC Systems Engineer
xieb@ornl.gov
OLCF Group: Technology Integration
Junqi Yin
Computational Scientist
yinj@ornl.gov
OLCF Group: Analytics and AI Methods at Scale
Brian Zachary
HPC Infrastructure and Networking Group Leader
zacharybs@ornl.gov
OLCF Group: HPC Infrastructure & Networking
Christopher Zimmer
HPC Systems Engineer
cjzimmer@ornl.gov
OLCF Group: Technology Integration