Center Leadership
The OLCF leadership team guides the overall vision of the center and manages its day-to-day operations. The team supervises system installations and upgrades, oversees research on the supercomputers, plans and designs future systems. They also play a key role in telling the world about all the extraordinary high impact achievements at the OLCF.
Meet the Team

Tom Beck
Section Head, Science Engagement

David Bernholdt
Distinguished Research Scientist

Al Geist
Chief Technology Officer

Joe Lake
Strategic Programs Manager

David Langley
Financial Analyst

Bronson Messer
Director of Science

Jim Rogers
Director, Computing and Facilities

Jessica Sampsel
Financial Analyst

Arjun Shankar
Section Head, Advanced Technologies

Matt Sieger
Project Director

T. P. Straatsma
Distinguished Research Scientist

Kevin Thach
Section Head, Systems

Gina Tourassi
Division Director

Linda Weltman
Sr. Administrative Assistant
Group R&D Activities
Scientific user facilities require an effective and efficient process to discover, verify, and curate publications resulting from user…
Understanding the ORNL and DOE HPC application landscape is vitally important for the integration of heterogeneous computational architectures…
This project will provide an important model for future exascale computing, increasing the coherence between the technology base…
The Accelerated Data Analytics and Computing Institute has been established to explore potential future collaboration among Oak Ridge…