Office of the Laboratory Director

• Thom Mason, Laboratory Director
  Kathy Rosenbalm, Executive Assistant
• Thom Mason, (Interim) Deputy for Science & Technology
  Teri Hagan, Executive Secretary
• Jeff Smith, Deputy for Operations
  Dana Green, Executive Secretary

Directorates

(Organization Chart)

Technical Organizations

• Computing and Computational Sciences (Org Chart)
• Energy and Environmental Sciences (Org Chart)
• Global Security (Org Chart)
• Nuclear Science and Engineering (Org Chart)
• Neutron Sciences (Org Chart)
• Physical Sciences (Org Chart)
• US ITER Project Office (Org Chart)

Support Organizations

• Business Services (Org Chart)
• Communications (Org Chart)
• Environment, Safety and Health (Org Chart)
• Facilities and Operations (Org Chart)
• Human Resources (Org Chart)
• Internal Audit (Org Chart)
• Legal (Org Chart)
• Office of Institutional Planning and the Integrated Performance Management (Org Chart)
• Science and Technology Partnerships (Org Chart)

Divisions

Technical Organizations

• Biology and Soft Matter (Org Chart)
• Biosciences (Org Chart)
• Center for Nanophase Materials Sciences (Org Chart)
• Chemical Sciences (Org Chart)
• Chemical and Engineering Materials (Org Chart)
• Computational Sciences and Engineering (Org Chart)
• Computer Science and Mathematics (Org Chart)
• Consortium for Advanced Simulation of Light Water Reactors (Org Chart)
• Department of Defense (Org Chart)
• Electrical and Electronics Systems Research (Org Chart)
• Energy and Transportation Science (Org Chart)
• Enrichment Science and Engineering Program (Org Chart)
• Environmental Sciences (Org Chart)
• Information Technology Services (Org Chart)
• Instrument and Source (Org Chart)
• Materials Science and Technology (Org Chart)
• National Center for Computational Sciences/Oak Ridge Leadership Computing Facility (Org Chart)
• Neutron Data Analysis and Visualization (Org Chart)
• Nonreactor Nuclear Facilities (Org Chart)
• Nuclear Security and Isotope Technology (Org Chart)
• Physics (Org Chart)
• Quantum Condensed Matter (Org Chart)
• Reactor and Nuclear Systems (Org Chart)
• Research Accelerator (Org Chart)
• Research Reactors (Org Chart)

Support Organizations

• Accounting Services (Org Chart)
• Acquisition Management Services Division (Org Chart)
• Business Management Services (Org Chart)
• Business Operations and Strategy Services (Org Chart)
• Contract Services (Org Chart)
• Creative Media (Org Chart)
• Environmental Protection and Waste Services (Org Chart)
• Fabrication, Hoisting, and Rigging Division (Org Chart)
• Facilities Development (Org Chart)
• Facilities Management (Org Chart)
• Facilities Strategic Planning (Org Chart)
• Fusion Materials for Nuclear Systems (Org Chart)
• Health Services (Org Chart)
• Human Resources Consulting Services (Org Chart)
• Integrated Operations Support (Org Chart)
• Logistical Services (Org Chart)
• Laboratory Protection (Org Chart)
• Nuclear & Radiological Protection (Org Chart)
• Research Library (Org Chart)
• Retirement Services (Org Chart)
• Safety Services (Org Chart)
• Utilities Division (Org Chart)