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

Ashley Barker

Section Head, Operations

David Bernholdt

Distinguished Research Scientist

Arthur Bland

Special Advisor to the Director

Al Geist

Chief Technology Officer

Jason Hill

Operations Project Manager

Judith Hill

Section Head, Science Engagement

David Langley

Finance Officer

Bronson Messer

Director of Science

Jim Rogers

Director, Computing and Facilities

Arjun Shankar

Section Head, Advanced Technologies

Matt Sieger

Deputy Project Director

T. P. Straatsma

Distinguished Research Scientist

Kevin Thach

Section Head, Systems

Gina Tourassi

Division Director

Linda Weltman

Sr. Administrative Assistant

Justin Whitt

OLCF Program and OLCF-5 Project Director

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…