
GREG CULLEN
- Vice President, Energy Services and Development, Energy Northwest
Greg Cullen
Greg Cullen joined Energy Northwest in 1993 and currently holds the position of Vice President of Energy Services and Development. In this capacity, Greg is responsible for the operation and maintenance of Energy Northwest’s non-nuclear generating projects including hydro, wind, solar, and storage facilities, as well as utility supporting programs and services. Greg oversees the development of projects and programs in a broad range of areas, including clean energy generation and storage, electrification, demand response, support services, and advanced nuclear energy demonstration and deployment.
Prior to joining Energy Services and Development, Greg held a variety of individual and management roles in support of the operation of Columbia Generating Station, the Northwest’s only operating nuclear energy facility.
Greg holds a Bachelor of Science degree in Engineering Physics from Northwest Nazarene University, a Master of Science degree in Mechanical Engineering from the University of Washington, and an MBA from Northwest Nazarene University.
Energy Northwest is a joint operating agency serving the needs of public power by providing reliable, low-cost electricity while promoting public power activities in the region.

SCOTT HUNNEWELL
- Vice President, New Nuclear Program, TVA
Scott Hunnewell
Scott Hunnewell is TVA’s Vice President, New Nuclear Program. Scott reports to Bob Deacy, Senior Vice President, Clinch River Project.
Hunnewell has been leading the New Nuclear Program at TVA since 2022. He has a depth of industry knowledge with a combined 26 years of experience in engineering, operations, and work management at both boiling water nuclear reactor facilities (BWR) and pressurized water reactor (PWR) facilities.
He started his career in nuclear in 1988 as a Senior Reactor Operator at the Savannah River Sites K Reactor working for DuPont/Westinghouse Savannah River Company before joining Stone & Webster and then TVA in 2009. Hunnewell spent seven years at the Sequoyah Nuclear Plant and five years at the Browns Ferry Plant in key leadership roles including Director of Work Management, Director of Engineering, Senior Manager of Design Engineering, Senior Manager of Systems Engineering, NSSS Manager, Project Engineer and Plant Manager.
From 1997 to 2009, Hunnewell owned and operated construction and real estate companies in Tennessee and Oklahoma. He has held real estate licenses in New Jersey and Oklahoma and been a licensed general contractor in Georgia, Tennessee and Oklahoma.
Hunnewell holds a Bachelor of Science degree in Mechanical Engineering from the University of Maine and received his Senior Reactor Operator and Shift Technical Advisor certifications on the K Reactor from the Department of Energy.

KATI AUSTGEN
- Director, Public Engagement & New Nuclear, Nuclear Energy Institute
Kati Austgen
Kati Austgen is Director, Public Engagement & New Nuclear at the Nuclear Energy Institute. She specializes in advocacy for all new nuclear technologies, including large light-water reactors, small modular reactors, non-light-water reactors, and micro-reactors. Kati leads the NEI Advanced Nuclear Forum and Advancing Collaboration, Community Engagement & Public Trust (ACCEPT) Working Group – providing industry coordination and strategic guidance. Prior to coming to NEI, Kati was a licensing engineer at Ameren Missouri’s Callaway Energy Center. Kati holds a Bachelor and Master of Science in Nuclear Engineering from Oregon State University and the University of Missouri, respectively.