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Staff Directory

OLCF Staff Listing
 
Name
Contact
Section/Group

Subil Abraham

HPC Engineer
HPC Operations

Paul Abston

HPC Infrastructure Operations Group Group Leader
+1-865-241-0355
HPC Systems

Misty Abston

Project Management Assistant
1-865-341-2028
HPC Operations

Ryan Adamson

HPC Security and Information Engineering Group Leader
1-865-576-1849
HPC Systems

Bradley Adcock

DevOps Engineer
HPC Systems

Aaron Adkisson

Data Center Infrastructure Specialist
+1-865-742-4092
HPC Systems

Gina Adragna

HPC Storage Systems Engineer
865.341.4478
HPC Systems

Valentine Anantharaj

Computational Scientist (Climate)
+1-865-576-2258
Advanced Technologies

Dilip Asthagiri

Senior Computational Biomedical Scientist
1-865-341-2176
Science Engagement

Scott Atchley

Chief Technology Officer
+1-865-576-0865
Leadership Team

Carl Bai

HPC Cyber Security Engineer
+1-865-341-0285
HPC Systems

Ashley Barker

Program Director, Oak Ridge Leadership Computing Facility
1-865-574-1841
Leadership Team

Aaron Barlow

HPC Software Engineer
1-865-341-1879
HPC Operations

Alessandro Baroni

Computational Scientist, Quantum Computing
+18653412329
Science Engagement

Maria Batool

Postdoctoral Researcher
+18654043297
Science Engagement

Tom Beck

Section Head, Science Engagement
1-865-576-8453
Science Engagement

Jakob Becklehimer

System Administrator
+18653142066
HPC Systems

Khadiza Begam

Postdoctoral Research Associate
Science Engagement

Stephanie Berlin

Administrative Assistant
1-865-341-2428
HPC Systems

David Bernholdt

Distinguished Research Scientist
+1-865-574-3147
 

Mark Berrill

Computational Scientist
1-865-574-9590
Science Engagement

Meghan Berry

Information Science Specialist
865-341-3715
HPC Operations

Katie Bethea

Group Leader
1-757-817-2832
HPC Operations

Aaron Blair

Senior HPC Linux Clusters Engineer
513-405-3579
HPC Systems

MacKenzie Boyd

Project Specialist
+1865-241-9303
HPC Operations

Jack Breazeale

Computer Operator
1-865-850-5250
HPC Systems

Blake Breeden

Infrastructure Linux Engineer
18653413055
HPC Systems

Wesley Brewer

Senior Research Scientist, HPC and AI
+1-865-341-2398
Advanced Technologies

Michael Brim

R&D Staff Member
+1 865 576 9358
Advanced Technologies

Joshua Brown

Software Engineer
17206456840
HPC Operations

Jordan Brown

HPC Network Engineer
+1 865-341-0332
HPC Systems

Christopher Brumgard

HPC Systems Engineer
1+865-574-5207
Advanced Technologies

Paul Bryant

Software Engineer
+1-865-341-1787
HPC Operations

Reuben D. Budiardja

Group Leader
+1-865-576-9519
Science Engagement

Jason Bullen

Senior HPC Network Engineer
865-341-4367
HPC Systems

Dmytro Bykov

Group Lead in Computing for Chemistry & Materials
+1-865-574-9292
Science Engagement

Will Castillo

HPC Engineer
1-865-341-1751
HPC Operations

Sherry Chandler

Administrative Assistant
+1-8653412200
HPC Systems

Chris Clotfelter

Technical Project Lead, HPC Initiatives
+18653413585
HPC Systems

Toño Coello Perez

Computational Scientist
+1 865 341 2048
Science Engagement

Elton Cranfill

Group Leader
1-865-574-1899
HPC Systems

Kita Cranfill

Software Engineer
1-615-489-6413
HPC Operations

Sarah Crossley

Division Administrative Assistant
Division Support

Travis Croxdale

Group Leader
1-865-241-5562
HPC Systems

Nick Csercsevits

HPC Linux Administrator
18653352081
HPC Systems

Josh Cunningham

IT Project Manager
+1-865-241-9029
HPC Operations

Conner Cunningham

Computer Operator
+1-865-574-5310
HPC Systems

Sajal Dash

Research Scientist, HPC and AI
+19195971857
Advanced Technologies

James Davis

Software Engineer
+1 865-341-2040
HPC Operations

Dylan Deming

HPC Linux Systems Engineer
+1-865-341-3678
HPC Systems

Micah DePetro

Software Engineer
+1-865-363-4994
HPC Operations

Dan Dietz

HPC Engineer
HPC Operations

Tor Djaerv

Postdoctoral research associate
+1-865-341-2158
Science Engagement

Spancer Dong

Postdoctoral Research Associate
Science Engagement

Markus Eisenbach

Computational Scientist
+1-865-924-0910
Science Engagement

Wael Elwasif

Computer Scientist
865-241-0002
Science Engagement

Brian Etz

Research Scientist
865-341-4371
Advanced Technologies

Matt Ezell

HPC Systems Engineer
+1-865-241-5714
HPC Systems

Rafael Ferreira da Silva

Group Leader
+1-865-341-1894
Advanced Technologies

Thomas Fillers

HPC Engineer
865-341-4347
HPC Operations

Eben Fluto

Software Developer
+1-720-233-9915
HPC Operations

Alex Franklin

Platform Engineer
HPC Systems

Ethan Frenza

HPC Storage Engineer
+1 865-341-3197
HPC Systems

Steve Fromm

Postdoctoral Research Associate
(865)341-4538
Science Engagement

Chris Fuson

Group Leader - User Assistance Production Systems
+1-865-241-5980
HPC Operations

Brian Gajus

UI Designer / UX Developer
+1-865-241-9029
HPC Operations

Gregg Gawinski

HPC Linux Systems Engineer
1-865-241-3689
HPC Systems

Al Geist

Corporate Research Fellow and Frontier Project Director
+1-865-574-3153
Leadership Team

Anjus George

HPC Systems Software Engineer
+1-980-430-0505
Advanced Technologies

Antigoni Georgiadou

Computational Scientist- Mathematics
Science Engagement

Tirthankar Ghosal

Scientist
+1 8653136292
Advanced Technologies

Swarnava Ghosh

Computational Scientist
Science Engagement

Logan Gillum

HPC Engineer
+1 (865) 341-2783
HPC Operations

Brad Gipson

HPC Storage Engineer
1 865-341-2207
HPC Systems

Jens Glaser

Computational Scientist, Materials
+1-865-341-0597
Science Engagement

Muralikrishnan Gopalakrishnan Meena

Computational Scientist
+1(865) 341-1751
Science Engagement

Angela Gosnell

Science Writer and Communications Specialist
HPC Operations

Kalyana Chakravarthi Gottiparthi

Computational Scientist
+1 865-341-1789
Science Engagement

Mitch Griffith

Archival Storage Software Developer
+1-865-241-3921
Advanced Technologies

Peter Groszkowski

Computational Scientist, Quantum Computing
+1-865-341-2177
Science Engagement

Nick Hagerty

HPC Engineer
+1865-341-0183
HPC Operations

Jesse Hanley

HPC Linux Systems Engineer
1865-576-0996
HPC Systems

James Austin Harris

Computational Scientist
+1-865-341-0014
Science Engagement

Aaron Haun

DevOps Engineer
HPC Systems

Matthias Heinz

Distinguished Staff Fellowship Program
865-341-4476
Science Engagement

Emily Herron

Postdoctoral Research Associate - HPC and AI
+18655767106
Advanced Technologies

Samuel Herts

Edge Computing Software Engineer
Advanced Technologies

Jesse Hines

Full Stack Software Developer
+1 865 341 2245
Advanced Technologies

John Holmen

HPC Engineer
+1-865-341-2149
HPC Operations

Leah Huk

HPC Engineer
1-865-576-7099
HPC Systems

Ryan Jaklic

HPC Cyber Security Engineer
865-341-0312
HPC Systems

Gustav Jansen

Computational Scientist - Nuclear Physics
+1 8652417534
Science Engagement

Rob Jones

Data Platform Engineer
+1 865-4140821
HPC Systems

Ahmad Maroof Karimi

HPC Operational Data Scientist
419-973-4116
Advanced Technologies

Aditya Kashi

Computer scientist in scalable numerical methods
+1 865 576 1162
Advanced Technologies

Cara Kennedy

Project Management Assistant
+1-865-241-6722
HPC Operations

Awais Khan

HPC Systems Scientist
+1 865-574-6167
Advanced Technologies

Seongmin Kim

Postdoctoral Research Associate
+1-574-220-3599
Science Engagement

Chris King

Senior HPC Systems Engineer
+1-256-484-4124
HPC Systems

Nicholson Koukpaizan

Computational Scientist
+1 (865) 341 1754
Science Engagement

Olga Kuchar

Group Leader
+1-509-792-2216
Advanced Technologies

Matt Lakin

Science Writer
+1-865-341-0404
HPC Operations

Vanessa Lama

Machine Learning Data Engineer
Advanced Technologies

Ryan Landfield

HPC Engineer
18655761244
Science Engagement

Jack Lange

Senior HPC Systems Scientist
+1-865-341-0125
Advanced Technologies

David Langley

Financial Analyst
+18655745437
Division Support

Jacob Latham

HPC Cyber Security Engineer
HPC Systems

Cindy Leach

Senior Control Room Operator
1-865-574-5310
HPC Systems

Kellen Leland

HPC Engineer
+1-865-320-7413
HPC Operations

Corwin Lester

HPC Data Analytics Engineer
+1-512 949-9807
HPC Systems

Dustin Leverman

OLCF-6 Deputy Director
1-865-241-8841
Leadership Team

Alan Longcoy

Software Engineer
+1 865-341-2029
HPC Operations

Hao Lu

Research Scientist in Large-Scale Data Science and Learning
18655746087
Advanced Technologies

Steven Lu

Associate Site Reliability Engineer
+16366756727
HPC Systems

Chao Lu

Postdoctoral Research Associate
865-341-2414
Science Engagement

Isaac Lyngaas

Computational Scientist
1-605-470-0535
Science Engagement

Elijah MacCarthy

HPC Engineer
+1 865-341-1903
HPC Operations

Evan Macintosh

HPC Storage Engineer
+1865-341-2455
HPC Systems

Ketan Maheshwari

Linux Systems Engineer
+13124782535
Advanced Technologies

Matthias Maiterth

Postdoctoral Research Associate
+1(865)341-2457
Advanced Technologies

Scottie Marlow

Kubernetes Platform Engineer
+1-865-341-2595
HPC Systems

Kevin Masteller

Senior HPC Linux Systems Engineer
18653413147
HPC Systems

Michael (Mike) Matheson

Visualization Specialist
+1 865-241-8176
Advanced Technologies

Don Maxwell

Group Leader
+1 865-241-7642
HPC Systems

Zach Mayes

Senior Kubernetes Platforms Systems Engineer
HPC Systems

Jonny McCormick

Associate Site Reliability Engineer
HPC Systems

Verónica Melesse Vergara

Section Head, Operations
+1-865-574-2548
HPC Operations

Bronson Messer

Director of Science
+1-865-241-7340
Leadership Team

Richard Messerly

Computational Scientist
865-341-4499
Science Engagement

Vassilios Mewes

Computational Scientist
+1 865 241 5039
Science Engagement

Ross Miller

Systems Programmer
+1-865-241-8070
Advanced Technologies

Brenna Miller

HPC Storage Systems Engineer
1-865-341-0105
HPC Systems

Rick Mohr

HPC Systems Engineer
865-241-6311
Advanced Technologies

Henry Monge Camacho

Postdoctoral Research Associate
+18653411752
Science Engagement

Sheila Moore

Project Management Assistant
1-865-341-0126
HPC Operations

James Morgan

HPC Cyber Security Engineer
1-865-574-5936
HPC Systems

Sonya Mowery

Administrative Assistant
+1-865-241-9303
HPC Operations

Nasik Muhammad Nafi

Postdoctoral Research Associate
865-341-4477
Science Engagement

Ahmed Naseem

HPC Network Engineer
+1 865-341-2805
HPC Systems

Blake Nedved

Full Stack Software Developer
6059068382
HPC Operations

Thomas Nelson

Senior HPC Network Engineer
865-603-0779
HPC Systems

Van Ngo

Computational Biophysicist
1 865.341.1788
Science Engagement

Clara Nguyen

Edge Computing Software Engineer
+1 865-341-1655
Advanced Technologies

Stephen Nichols

Computational Scientist, Computational Fluid Dynamics
+1-865-341-0429
Science Engagement

Matthew Norman

Group Leader and Computational Climate Scientist
+1 865-576-1757
Science Engagement

Ethan O'Dell

Kubernetes Platform Engineer
HPC Systems

Togo Odbadrakh

HPC Engineer
+1 (865) 341-2782
HPC Operations

Sarp Oral

Section Head, Advanced Technologies
+1-865-574-2173
Advanced Technologies

Larry Orcutt

HPC Linux Systems Engineer
1-865-576-7099
HPC Systems

Emin Orhan

Research Scientist
865-341-4481
Advanced Technologies

Tim Osborne

Senior Data Platforms Engineer
+1-865-341-1039
HPC Systems

Nick Paladino

HPC Linux Clusters Engineer
HPC Systems

Mijanur Palash

Postdoctoral Associate- HPC & AI
Advanced Technologies

Rachel Palumbo

HPC Data Engineer
1-404-625-2538
HPC Systems

Suzanne Parete-Koon

HPC Engineer
1-865-341-0263
HPC Operations

Daniel Pelfrey

HPC Network Engineer
18652415562
HPC Systems

Paul Peltz

HPC Systems Engineer
1+865-576-3219
HPC Systems

George Phipps

Sr. Computer Control Room Operator
1+865-574-5310
HPC Systems

Fernando Posada

Group Leader
+1 (865) 341-3558
HPC Operations

Suzanne Prentice

Software Engineer
1-843-735-9391
HPC Operations

Bran Radovanovic

Sr. HPC Storage Systems Engineer
+1-865-574-8160
Advanced Technologies

Bharath Raghavan

Postdoctoral Research Associate
865-341-4520
 

Tony Ramirez

Full Stack Software Developer
865-341-4423
HPC Operations

Rich Ray

Senior HPC Linux Systems Engineer
1-865-576-5987
HPC Systems

William Renaud

HPC Engineer
1-865-241-5984
HPC Operations

Jason Renner

Senior HPC Scalable Engineer
1-865-241-7562
HPC Systems

Asa Rentschler

HPC Engineer
HPC Operations

Clifford Richards

HPC Linux System Administrator
+18652756141
HPC Systems

Tori Robinson

HPC Cyber Security Engineer
+1-865-341-0241
HPC Systems

Jim Rogers

Director, Computing and Facilities
+1 865 576 2978
Leadership Team

David Rogers

Computational Scientist
+1 865-341-0484
Science Engagement

Daniel Rosendo

Research Scientist
865-341-4527
Advanced Technologies

Philip Roth

Group Leader
+1-865-241-1543
Science Engagement

A.J. Ruckman

HPC Software Engineer
+1-865-576-7403
HPC Operations

Jeremy Rumsey

Science Writer
865-576-2038
HPC Operations

Jessica Sampsel

Financial Analyst
+18652410604
Division Support

Michael Sandoval

HPC Engineer
+1-510-304-0539
HPC Operations

Naw Safrin Sattar

Postdoctoral Research Associate - Al Technologies for HPC Operational Data Anaytics
+1-865-341-2357
Advanced Technologies

Nick Schmitt

Kubernetes Platforms Systems Engineer
865-341-1876
HPC Systems

Arjun Shankar

Division Director
+1 (865) 574-2704
Leadership Team

Amir Shehata

HPC Systems Engineer - Consultant
+1 865 341-2891
Science Engagement

Woong Shin

HPC Systems Engineer
+1-865-574-6141
Advanced Technologies

Sergey Shpanskiy

HPC Systems Administrator
+1-865-574-9954
HPC Systems

Matt Sieger

Project Director
+18652301679
Leadership Team

Scott Simmerman

Software Developer
HPC Operations

James Simmons

Systems Programmer
1-505-412-0570
Advanced Technologies

Tatiyanna Singleton

Information Science Specialist
+18653413716
HPC Operations

Tyler Skluzacek

Research Scientist, Workflows
9522201684
Advanced Technologies

Jason Smith

Senior Graphic Designer
1-865-574-2200
HPC Operations

Joshua Smith

Senior DevOps Engineer
HPC Systems

Brian Smith

Senior HPC Engineer
Advanced Technologies

Tanvir Sohail

Postdoctoral Research Associate
+1865-341-3188
Science Engagement

Lawrence Sorrillo

HPC Systems Linux Cluster Administrator
+1-865-574-6683
Advanced Technologies

Renan Souza

Research Scientist, Workflows
18655855890
Advanced Technologies

Benny Sparks

HPC Network Engineer
+1-865-576-1456
HPC Systems

T. P. Straatsma

Distinguished Research Scientist
1-865-241-5864
Leadership Team

In-Saeng Suh

Sr HPC Quantum System Scientist
+1 865 341 1925
Science Engagement

Jeffrey Taylor

HPC Storage Systems Engineer
865.341.4479
HPC Systems

Kevin Thach

Section Head, HPC Systems
+1-865-574-3169
HPC Systems

Michael Tharp

Kubernetes Platforms Systems Engineer
+1404-931-7482
HPC Systems

Arnold Tharrington

Computational Scientist
1-865-924-3739
Science Engagement

Aristeidis Tsaris

Research Scientist in Large-Scale Data Science and Learning
+1-865-341-0143
Advanced Technologies

Coury Turczyn

Science Writer/Communications Specialist
+1-865-341-0352
HPC Operations

Sahil Tyagi

Postdoctoral Research Associate
Advanced Technologies

Jake Utley

Senior HPC Cybersecurity Engineer
+1812-455-3212
HPC Systems

Feiyi Wang

Group Leader
+1-865-574-7209
Advanced Technologies

Spencer Ward

HPC DevOps Engineer
+1-865-341-0343
HPC Operations

Norman Weathers

Senior HPC Linux Clusters Engineer
+1-713-417-2302
HPC Systems

Jordan Webb

HPC Linux Systems Engineer
+1-865-341-0159
HPC Systems

Vicky White

Senior HPSS Developer
+1-865-574-7999
Advanced Technologies

Maria White

Administrative Assistant
+1-865-341-2956
Science Engagement

Myranda White

Administrative Assistant
+1-865-341-2461
Science Engagement

Trey White

Distinguished Research Scientist
+1-865-341-3676
Science Engagement

Jessica Whitt

Administrative Assistant
1-865-576-7106
Advanced Technologies

Patrick Widener

Senior Research Scientist
+1 865 341 2301
Advanced Technologies

Sean Wilkinson

Research Scientist
+1 865-341-0256
Advanced Technologies

Christian Wilsey

HPC Network Engineer
+1-865-341-2645
HPC Systems

Teresa Wilson

Senior Control Room Operator
+1-865-574-5310
HPC Systems

Curtis Wyatt

Control Room Operator
HPC Systems

James Wynne III

HPC Linux Systems Engineer
+1 865-241-3882
HPC Systems

Asim Yarkhan

HPC Engineer
865-341-4436
HPC Operations

Junqi Yin

Computational Scientist
+1 (865) 241-8099
Advanced Technologies

Kevin Ying

Sr. HPC Linux Cluster Engineer
1-865-341-3053
HPC Systems

Sarah Joy York

Administrative Assistant
Advanced Technologies

Christopher Zimmer

Group Leader, HPC Systems Engineer
+1865-241-9303
Advanced Technologies

Nathan Zingg

Senior HPC Linux Systems Engineer
+1-865-341-2470
HPC Systems