Name
Email
Group
Subil Abraham
HPC Engineer
abrahams@ornl.gov
OLCF Group: User Assistance
Paul Abston
Data Center Manager and OCR Team Lead
abstonjp@ornl.gov
OLCF Group: HPC Infrastructure Operations
Misty Abston
Project Management Assistant
abstonml@ornl.gov
OLCF Group: User Access, Outreach, and Communications
Ryan Adamson
HPC Security and Information Engineering Group Leader
adamsonrm@ornl.gov
OLCF Group: HPC Cybersecurity & Information Engineering
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: Software Services Development
Tom Beck
Section Head, Science Engagement
becktl@ornl.gov
OLCF Group: Center Leadership
Matt Belhorn
HPC Support Specialist and Programmer
belhornmp@ornl.gov
OLCF Group: System Acceptance and User Environment
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
Group Leader
betheakl@ornl.gov
OLCF Group: User Access, Outreach, and Communications
John Breazeale
Computer Operator
breazealejh@ornl.gov
OLCF Group: HPC Infrastructure Operations
Michael Brim
R&D Staff Member
brimmj@ornl.gov
OLCF Group: Technology Integration
Joshua Brown
Software Engineer
brownjs@ornl.gov
OLCF Group: Data Lifecycle & Scalable Workflows
Delaney Brown
Junior Linux System Admin
2hi@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: Software Services Development
Reuben D. Budiardja
Computational Scientist
reubendb@ornl.gov
OLCF Group: Advanced Computing for Nuclear, Particles, & Astrophysics
Don Burkhalter
Administrative Assistant
Burkhalterds@ornl.gov
OLCF Group: HPC Infrastructure Operations HPC Infrastructure & Networking HPC Clusters
Dmytro Bykov
Computational Scientist
bykovd@ornl.gov
OLCF Group: Advanced Computing for Chemistry & Materials Group
Adam Carlyle
Group Leader, Software Services Development
carlyleag@ornl.gov
OLCF Group: Software Services Development
Will Castillo
HPC Engineer
castillowc@ornl.gov
OLCF Group: System Acceptance and User Environment
Ben Chance
Edge Computing Software Engineer
chancebr@ornl.gov
OLCF Group: Technology Integration
Sherry Chandler
Administrative Assistant
chandlersl@ornl.gov
OLCF Group: HPC Cybersecurity & Information Engineering HPC Storage & Archive HPC Scalable Systems
Eduardo Antonio Coello Perez
Computational Scientist
coellopereea@ornl.gov
OLCF Group: Advanced Computing for Chemistry & Materials Group
Hector Corzo
Post-Doctoral Research Associate
hernandezchf@ornl.gov
OLCF Group: Advanced Computing for Chemistry & Materials Group
Elton Cranfill
Group Leader
cranfillej@ornl.gov
OLCF Group: HPC Clusters
Kita Cranfill
Software Engineer
cranfillkd@ornl.gov
OLCF Group: Software Services Development
Travis Croxdale
HPC Network Engineer
croxdaletk@ornl.gov
OLCF Group: HPC Infrastructure & Networking
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: System Acceptance and User Environment
James Davis
Software Engineer
davisjs@ornl.gov
OLCF Group: Software Services Development
Micah DePetro
Micah DePetro
Software Engineer
depetromg@ornl.gov
OLCF Group: Software Services Development
Dan Dietz
HPC Engineer
dietzdt@ornl.gov
OLCF Group: System Acceptance and User Environment
Adam Disney
HPC Storage Systems Engineer
disneyaw@ornl.gov
OLCF Group: Technology Integration
David Eberius
Postdoctoral Research Associate
eberiusdw@ornl.gov
OLCF Group: Algorithms & Performance Analysis
Chad Effler
HPC Systems Scientist
efflertc@ornl.gov
OLCF Group: Technology Integration
Markus Eisenbach
Computational Scientist
eisenbachm@ornl.gov
OLCF Group: Advanced Computing for Chemistry & Materials Group
J. Austin Ellis
HPC Research Scientist
ellisja@ornl.gov
OLCF Group: Analytics and AI Methods at Scale
Matt Ezell
HPC Systems Engineer
ezellma@ornl.gov
OLCF Group: HPC Scalable Systems
Rafael Ferreira da Silva
Senior Research Scientist
silvarf@ornl.gov
OLCF Group: Data Lifecycle & Scalable Workflows
Jamie Finney
HPC Software Support Engineer
finneyjm@ornl.gov
OLCF Group: System Acceptance and User Environment
Chris Fuson
Group Leader - User Assistance Production Systems
fusoncb@ornl.gov
OLCF Group: User Assistance
Brian Gajus
UI Designer / UX Developer
gajusbd@ornl.gov
OLCF Group: User Access, Outreach, and Communications
Gregg Gawinski
HPC Linux Systems Engineer
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
Computational Scientist- Mathematics
georgiadoua@ornl.gov
OLCF Group: Algorithms & Performance Analysis
Swarnava Ghosh
Computational Scientist
ghoshs@ornl.gov
OLCF Group: Advanced Computing for Chemistry & Materials Group
Brad Gipson
HPC Storage Engineer
gipsonbm@ornl.gov
OLCF Group: HPC Storage & Archive
Jens Glaser
Computational Scientist, Materials
glaserj@ornl.gov
OLCF Group: Advanced Computing for Chemistry & Materials Group
Muralikrishnan Gopalakrishnan Meena
Computational Scientist
gopalakrishm@ornl.gov
OLCF Group: Advanced Computing for Life Sciences & Engineering
Kalyana Chakravarthi Gottiparthi
Computational Scientist
gottiparthik@ornl.gov
OLCF Group: Advanced Computing for Life Sciences & Engineering
Mitch Griffith
Archival Storage Software Developer
griffithmr1@ornl.gov
OLCF Group: Technology Integration
Nick Hagerty
HPC Engineer
hagertynl@ornl.gov
OLCF Group: System Acceptance and User Environment
Isaac Hall
HPC Linux Engineer
halliw@ornl.gov
OLCF Group: HPC Scalable Systems
Jesse Hanley
HPC Linux Systems Engineer
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
Jesse Hines
Full Stack Software Developer
hinesjr@ornl.gov
OLCF Group: Analytics and AI Methods at Scale
John Holmen
HPC Engineer
holmenjk@ornl.gov
OLCF Group: System Acceptance and User Environment
Darren Hsu
Postdoctoral Research Associate
hsudj@ornl.gov
OLCF Group: Advanced Computing for Chemistry & Materials Group
Leah Huk
HPC Engineer
hukln@ornl.gov
OLCF Group: User Assistance
Gustav Jansen
Computational Scientist - Nuclear Physics
jansengr@ornl.gov
OLCF Group: Advanced Computing for Nuclear, Particles, & Astrophysics
Rob Jones
Data Platform Engineer
jonesjr@ornl.gov
OLCF Group: HPC Cybersecurity & Information Engineering
Balint Joo
Group Leader
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: User Access, Outreach, and Communications
Awais Khan
Postdoctoral Research Associate
khana@ornl.gov
OLCF Group: Technology Integration
Katie Knight
Data Engineer
knightke@ornl.gov
OLCF Group: Data Lifecycle & Scalable Workflows
Max Kossek
HPC Storage Engineer
kummerkossmk@ornl.gov
OLCF Group: HPC Storage & Archive
Nicholson Koukpaizan
Computational Scientist
koukpaizannk@ornl.gov
OLCF Group: Advanced Computing for Life Sciences & Engineering
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
Matt Lakin
Science Writer
lakinmn@ornl.gov
OLCF Group: User Access, Outreach, and Communications
Ryan Landfield
HPC Engineer
landfieldre@ornl.gov
OLCF Group: User Assistance
Jack Lange
Senior HPC Systems Scientist
langejr@ornl.gov
OLCF Group: Technology Integration
Doug Lattman
HPC Cyber Security Engineer
lattmandj@ornl.gov
OLCF Group: HPC Cybersecurity & Information Engineering
Cynthia Leach
Senior Control Room Operator
leachcd@ornl.gov
OLCF Group: HPC Infrastructure Operations
Corwin Lester
HPC Data Analytics Engineer
lestercp@ornl.gov
OLCF Group: HPC Cybersecurity & Information Engineering
Dustin Leverman
HPC Storage and Archive Group Leader
leverman@ornl.gov
OLCF Group: HPC Storage & Archive
Justin Lietz
Performance Engineer
lietzjg@ornl.gov
OLCF Group: Algorithms & Performance Analysis
Hong Liu
HPC Engineer
liuh@ornl.gov
OLCF Group: User Assistance
Alan Longcoy
Software Engineer
longcoyaj@ornl.gov
OLCF Group: Software Services Development
Hao Lu
Research Scientist in Large-Scale Data Science and Learning
luh1@ornl.gov
OLCF Group: Analytics and AI Methods at Scale
Isaac Lyngaas
Computational Scientist
lyngaasir@ornl.gov
OLCF Group: Advanced Computing for Life Sciences & Engineering
Elijah MacCarthy
HPC Engineer
maccarthyea@ornl.gov
OLCF Group: System Acceptance and User Environment
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
Group Leader
maxwellde@ornl.gov
OLCF Group: HPC Scalable Systems
Alex May
Data Engineer
mayab@ornl.gov
OLCF Group: Data Lifecycle & Scalable Workflows
Chelsea McCombs
Finance Officer
enseyca@ornl.gov
OLCF Group: Center Leadership
Verónica Melesse Vergara
Group Leader, System Acceptance and User Environment
vergaravg@ornl.gov
OLCF Group: System Acceptance and User Environment
Bronson Messer
Director of Science
bronson@ornl.gov
OLCF Group: Center Leadership
Vassilios Mewes
Computational Scientist
mewesv@ornl.gov
OLCF Group: Advanced Computing for Nuclear, Particles, & Astrophysics
Ross Miller
Systems Programmer
rgmiller@ornl.gov
OLCF Group: Technology Integration
Jeffrey Miller
HPC Linux Systems Engineer
millerjl@ornl.gov
OLCF Group: HPC Infrastructure & Networking
Brenna Miller
HPC Systems Engineer
millerbk@ornl.gov
OLCF Group: HPC Storage & Archive
Richard Mohr
HPC Systems Engineer
mohrrf@ornl.gov
OLCF Group: Technology Integration
Henry Monge Camacho
Postdoctoral Research Associate
mongecamachj@ornl.gov
OLCF Group: Advanced Computing for Nuclear, Particles, & Astrophysics
Sheila Moore
Project Management Assistant
mooresa@ornl.gov
OLCF Group: User Access, Outreach, and Communications
James Morgan
HPC Cyber Security Engineer
morganjw@ornl.gov
OLCF Group: HPC Cybersecurity & Information Engineering
Sonya Mowery
Administrative Assistant
mowerys@ornl.gov
OLCF Group: User Assistance System Acceptance and User Environment User Access, Outreach, and Communications Software Services Development Platforms
Lisa Mulig
Task Lead, User Access
muliglj@ornl.gov
OLCF Group: User Access, Outreach, and Communications
Paul Newman
Network Engineer
newmanpm@ornl.gov
OLCF Group: HPC Infrastructure & Networking
Van Ngo
Computational Biophysicist
ngoav@ornl.gov
OLCF Group: Advanced Computing for Life Sciences & Engineering
Clara Nguyen
Edge Computing Software Engineer
nguyencv@ornl.gov
OLCF Group: Technology Integration
Stephen Nichols
Computational Scientist, Computational Fluid Dynamics
nicholsss@ornl.gov
OLCF Group: Advanced Computing for Life Sciences & Engineering
Matthew Norman
Group Leader and Computational Climate Scientist
normanmr@ornl.gov
OLCF Group: Advanced Computing for Life Sciences & Engineering
Kingsley Nwosu
Data Platform Engineer
20n@ornl.gov
OLCF Group: HPC Cybersecurity & Information Engineering
Vladyslav (Vlad) Oles
Postdoctoral Research Associate
olesv@ornl.gov
OLCF Group: Analytics and AI Methods at Scale
Sarp Oral
Distinguished Scientist; Group Leader, Technology Integration
oralhs@ornl.gov
OLCF Group: Technology Integration
Larry Orcutt
HPC Linux Systems Engineer
orcuttlk@ornl.gov
OLCF Group: HPC Scalable Systems
Tim Osborne
Senior Data Platforms Engineer
osbornetd@ornl.gov
OLCF Group: HPC Cybersecurity & Information Engineering
Rachel Palumbo
HPC Data Engineer
palumborl@ornl.gov
OLCF Group: HPC Cybersecurity & Information Engineering
Tom Papatheodore
HPC Engineer
papatheodore@ornl.gov
OLCF Group: System Acceptance and User Environment
Suzanne Parete-Koon
HPC Engineer
paretekoonst@ornl.gov
OLCF Group: User Assistance
Michael Peek
HPC Linux Clusters Engineer
peekms@ornl.gov
OLCF Group: HPC Clusters
Daniel Pelfrey
HPC Network Engineer
dspelfrey@ornl.gov
OLCF Group: HPC Infrastructure & Networking
Paul Peltz
HPC Systems Engineer
peltzpl@ornl.gov
OLCF Group: HPC Scalable Systems
George Phipps
Sr. Computer Control Room Operator
Phippsgwjr@ornl.gov
OLCF Group: HPC Infrastructure Operations
Suzanne Prentice
Software Engineer
prenticest@ornl.gov
OLCF Group: Software Services Development
Ryan Prout
HPC Data Analytics Engineer
proutrc@ornl.gov
OLCF Group: User Assistance
Branislav Radovanovic
Sr. HPC Storage Systems Engineer
radovanovicb@ornl.gov
OLCF Group: HPC Storage & Archive
Rich Ray
HPC Systems Administrator
raray@ornl.gov
OLCF Group: HPC Infrastructure & Networking
William Renaud
HPC Engineer
brenaud@ornl.gov
OLCF Group: User Assistance
Lee Reynolds
Senior HPC Linux Clusters Engineer
reynoldslb@ornl.gov
OLCF Group: HPC Clusters
Clifford Richards
Control Room Operator
richardscl@ornl.gov
OLCF Group: HPC Infrastructure Operations
Kyle Rinehart
HPC Cyber Security Engineer
rinehartke@ornl.gov
OLCF Group: HPC Cybersecurity & Information Engineering
Tori Robinson
HPC Cyber Security Engineer
robinsonte@ornl.gov
OLCF Group: HPC Cybersecurity & Information Engineering
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
Group Leader
rothpc@ornl.gov
OLCF Group: Algorithms & Performance Analysis
Arthur Ruckman
HPC Linux Systems Engineer
ruckmanaj@ornl.gov
OLCF Group: HPC Infrastructure & Networking
Michael Sandoval
HPC Engineer
sandovalma@ornl.gov
OLCF Group: User Assistance
Nick Schmitt
DevOps Engineer
schmittan@ornl.gov
OLCF Group: HPC Infrastructure & Networking
Arjun Shankar
Section Head, Advanced Technologies
shankarm@ornl.gov
OLCF Group: Center Leadership
Brady Sharp
Data Center Infrastructure Specialist
sharpb@ornl.gov
OLCF Group: HPC Infrastructure Operations
Anne Sherwood
Administrative Asssitant
sherwoodam@ornl.gov
OLCF Group: Analytics and AI Methods at Scale Data Lifecycle & Scalable Workflows
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: Software Services Development
Sergey Shpanskiy
HPC Systems Administrator
sergey@ornl.gov
OLCF Group: HPC Clusters
Gregory (Greg) Shutt
Software Engineer
shuttgl@ornl.gov
OLCF Group: Software Services Development
Matt Sieger
Project Director
siegermt@ornl.gov
OLCF Group: Center Leadership
Scott Simmerman
Software Developer
simmermansg@ornl.gov
OLCF Group: Software Services Development
James Simmons
Systems Programmer
simmonsja@ornl.gov
OLCF Group: Technology Integration
Dayle Smith
Group Leader
smithdm@ornl.gov
OLCF Group: Advanced Computing for Chemistry & Materials Group
Jason Smith
Senior Graphic Designer
smithjb@ornl.gov
OLCF Group: User Access, Outreach, and Communications
Betsy Sonewald
NCCS Science Writer and Communications Specialist
sonewaldbv@ornl.gov
OLCF Group: User Access, Outreach, and Communications
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
Rohit Srivastava
Data Services Engineer
srivastavar@ornl.gov
OLCF Group: Data Lifecycle & Scalable Workflows
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
T. P. Straatsma
Distinguished Research Scientist
str@ornl.gov
OLCF Group: Center Leadership
Hector Suarez
Hector Suarez
HPC Cyber Security Engineer
suarezh@ornl.gov
OLCF Group: HPC Cybersecurity & Information Engineering
In-Saeng Suh
Sr HPC Quantum System Scientist
suhi@ornl.gov
OLCF Group: Technology Integration
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: User Access, Outreach, and Communications
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: User Assistance
Norman Weathers
Senior HPC Linux Clusters Engineer
weathersnr@ornl.gov
OLCF Group: HPC Clusters
Jordan Webb
HPC Linux Systems Engineer
webbjw@ornl.gov
OLCF Group: HPC Scalable Systems
Linda Weltman
Sr. Administrative Assistant
weltmanlk@ornl.gov
OLCF Group: Center Leadership
Vicky White
Senior HPSS Developer
vyw@ornl.gov
OLCF Group: Technology Integration
Justin Whitt
OLCF Program and OLCF-5 Project Director
whitt@ornl.gov
OLCF Group: Center Leadership
Patrick Widener
Senior Research Scientist
widenerpm@ornl.gov
OLCF Group: Data Lifecycle & Scalable Workflows
Sean Wilkinson
Research Scientist
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 Storage & Archive
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