Contact Us
If you have questions or comments regarding any of our research and development activities, how to work with ORNL and the Reactor and Nuclear Systems Division (RNSD), or the content of this website please contact one of the following people:
If you have questions regarding RNSD technologies and capabilities, job opportunities, working with ORNL and the RNSD, intellectual property, etc., contact,
Division Contacts
| Cecil Parks | Director | 865-574-5280 |
| Sandra Poarch | Division Secretary | 865-574-5267 |
| Division Facsimile | 865-574-3527 |
Advanced Reactor Systems & Safety Group
| Gary Mays | Group Leader | 865-574-0394 |
| Anita Benn | Administrative Assistant | 865-574-0377 |
| Research Staff |
Nuclear Data and Criticality Safety Group
| Mike Dunn | Group Leader | 865-574-5260 |
| Hannah Turpin | Administrative Assistant | 865-574-1087 |
| Research Staff |
Nuclear Security Modeling Group
| Timothy Valentine | Group Leader | 865-574-0715 |
| Angela Alford | Administrative Assistant | 865-576-8805 |
| Research Staff |
Radiation Safety Information Computational Center
| Timothy Valentine | Group Leader | |
| Teresa Moore | Administrative Assistant | 865-574-0181 |
| Research Staff |
Radiation Transport Group
| Bob Grove | Group Leader | 865-574-4646 |
| Hannah Turpin | Administrative Assistant | 865-574-1087 |
| Research Staff |
Reactor Physics Group
| Steve Bowman | Group Leader | 865-574-5263 |
| Angela Alford | Administrative Assistant | 865-576-8805 |
| Research Staff |
Thermal Hydraulics and Irradiation Engineering Group
| Grady Yoder | Group Leader | 865-574-5282 |
| Charlene Patrick | Administrative Assistant | 865-576-2541 |
| Research Staff |
Used Fuel Research, Development, and Demonstration
| John Wagner | Manager | 865-241-3570 |
| Deborah Weaver | Administrative Assistant | 865-574-5288 |
| Research Staff |
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