|Assistant Secretaries for Environmental Management|
|William (Ike) White||Senior Advisor to EM for the Under Secretary||June 16, 2019||Present|
|Anne Marie White||Senate Confirmed||March 29, 2018||June 14, 2019|
|James Owendoff||Acting||June 25, 2017||March 29, 2018|
|Susan Cange||Acting||January 20, 2017||June 25, 2017|
|Monica Regalbuto||Senate Confirmed||August 10, 2015||January 20, 2017|
|Mark Whitney||Acting||May 18, 2014||May 10, 2015|
|David G. Huizenga||Senior Advisor to EM for the Under Secretary||February 15, 2012||May 18, 2014|
|David G. Huizenga||Acting||July 20, 2011||February 15, 2012|
|Inés Triay||Senate Confirmed||May 21, 2009||July 20, 2011|
|Inés Triay||Acting||November 23, 2008||May 21, 2009|
|James Rispoli||Senate Confirmed||August 10, 2005||November 23, 2008|
|Paul Golan||Acting||July 24, 2004||May 8, 2005|
|Jessie Hill Roberson||Senate Confirmed||July 18, 2001||July 24, 2004|
|James Owendoff||Acting||January 14, 2001||July 18, 2001|
|Carolyn L. Huntoon||Senate Confirmed||July 13, 1999||January 14, 2001|
|Alvin Alm||Senate Confirmed||May 8, 1996||February 3, 1996|
|Thomas Grumbly||Senate Confirmed||May 26, 1993||May 8, 1996|
|Leo P. Duffy||Senate Confirmed||December 2, 1991||January 20, 1993|
EM Celebrates 30 Years News
Marking Three Decades of Progress, EM Celebrates Milestone AnniversaryLearn More
At a September 10 celebration, DOE Under Secretary for Science Paul Dabbar recognized EM’s federal employees and contractors.
Vit Facility Demolition is West Valley's Signature Achievement - So FarLearn More
In 2018, EM and its cleanup contractor safely completed the demolition of the 50-foot-tall, 10,000-square-foot Vitrification Facility.
As EM Marks 30 Years, WIPP Celebrates Its 20th AnniversaryLearn More
The Waste Isolation Pilot Plant (WIPP) joins EM in celebrating an anniversary in 2019.
Moab's Steady Progress Through a Decade of CleanupLearn More
EM’s Moab Uranium Mill Tailings Remedial Action (UMTRA) Project expects to reach a milestone of 10 million tons.
Soil Cleanup an Achievement at Los Alamos TownsiteLearn More
Soil cleanup near Smith's Marketplace in Los Alamos completed in 2015.
Completion of Field Work, Site Restoration Mark Major Milestone at SPRULearn More
EM recently completed deactivation, decontamination, demolition, and site restoration at the Separations Process Research Unit.