TUNL is supported by the work of several committees:
TUNL Scientific Steering Committee (TSSC)
- Calvin Howell, Laboratory Director
- Mohammad Ahmed
- Paul Huffman
- John Wilkerson
TUNL Climate Committee (TCC)
- Reyco Henning, Chair
- Alex Crowell
- Matt Green
- Diane Markoff
- Brogan Thomas
- Calvin Howell, ex officio
TUNL Seminar Committee
- Sean Finch, Chair
- Julieta Gruszko
- Diane Markoff
- Akaa Daniel Ayangeakaa
- John Kelley
- Matthew Green
HIGS Program Advisory Committee (PAC)
- Jian-Ping Chen (Jefferson Laboratory), Chair
- Wei Jia Ong (Lawrence Livermore National Laboratory)
- Augusto Macchiavelli (Oak Ridge National Laboratory)
- Ingo Wiedenhoever (Florida State University)