www.securitymagazine.com/articles/94743-doe-gives-greg-sisson-permanent-ciso-title

DoE gives Greg Sisson permanent CISO title
March 3, 2021
The Department of Energy (DoE) appointed Greg Sisson the agency’s Chief Information Security Officer (CISO). Sisson served as DoE’s acting CISO prior to taking on the permanent title.
Previously, Sisson served as DoE’s deputy CISO and director of cyber operations.
Congratulations!