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

Verónica Melesse Vergara

Section Head, Operations

Ashley Barker

Program Director, Oak Ridge Leadership Computing Facility

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

Division Director

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…