Mark Gilbertson is set to retire from federal service after 40 years of public and private sector experience, including more than 25 years in EM.
Mark Gilbertson is set to retire from federal service after 40 years of public and private sector experience, including more than 25 years in EM.

WASHINGTON, D.C. – Mark Gilbertson is set to retire from federal service at the end of October following 40 years of public and private sector experience.

An EM employee of more than 25 years, Gilbertson mostly recently served as the associate principal deputy assistant secretary (APDAS) for regulatory and policy affairs. He has worked in several other key EM senior leadership positions, including principal deputy assistant secretary, national laboratory officer, and various deputy assistant secretary positions, such as site restoration, program and site support, engineering and technology, and environmental cleanup and acceleration.

“Mark has been a cornerstone of the EM leadership team and key to many of EM’s successes over the years,” EM Acting Assistant Secretary William “Ike” White said. “His considerable knowledge of the program coupled with his extensive experience in environmental engineering and remediation have resulted in significant risk reduction, innovative technology enhancements, and improved integration with the field.”

Jay Mullis, manager of the Oak Ridge Office of Environmental Management, has been selected to serve as EM’s acting associate principal deputy assistant secretary for regulatory and policy affairs starting Nov. 1.
Jay Mullis, manager of the Oak Ridge Office of Environmental Management, has been selected to serve as EM’s acting associate principal deputy assistant secretary for regulatory and policy affairs starting Nov. 1.

Prior to EM, Gilbertson served in key leadership positions in other DOE offices, such as Legacy Management and the former Environment, Safety and Health Office. Gilbertson spent four years at the Environmental Protection Agency working on Resource Conservation and Recovery Act regulations and prior to that, as an engineering consultant.

Jay Mullis has been selected to serve as the acting APDAS for regulatory and policy affairs starting Nov. 1. Mullis is the manager of the Oak Ridge Office of Environmental Management (OREM). In this role, Mullis is responsible for an annual budget of more than $650 million supporting environmental cleanup and stewardship, decontamination and decommissioning, waste processing and management, surveillance and maintenance programs, historic preservation, and procurement and contract functions.

Laura Wilkerson will serve as the acting OREM manager while Mullis is acting APDAS for regulatory and policy affairs. Wilkerson is presently the deputy manager of OREM and has held a variety of leadership positions supporting the Department’s cleanup activities at Oak Ridge. She has more than 30 years of experience directing and managing technical programs and projects for DOE.