Assistant Secretary of the Navy (Energy, Installations and Environment) (abbreviated ASN(EI&E)) is a civilian office in the United States Navy established in 1990. The assistant secretary of the Navy (energy, installations and environment) reports to the under secretary of the Navy, who in turn reports to the secretary.
The assistant secretary of the Navy (energy, installations and environment) is responsible for greater energy security, acquiring and disposing of the Navy's real property; constructing and maintaining all US naval installations; overseeing occupational health and safety issues for all navy personnel (military and civilian); overseeing the Navy's environmental protection, planning, and restoration efforts; and overseeing the Navy's efforts to conserve cultural and natural resources.
List of deputy assistant secretaries reporting to the assistant secretary of the Navy (energy, installations and environment)
Principal Deputy Assistant Secretary of the Navy (Energy, Installations and Environment) – PDASN (EI&E) Deputy Assistant Secretary of the Navy (Installations, Energy & Facilities) – DASN (IE&F) Deputy Assistant Secretary of the Navy (Environment) – DASN (E) Deputy Assistant Secretary of the Navy (Safety) – DASN (Safety) Assistant General Counsel of the Navy (Energy, Installations and Environment) – AGC (EI&E) Executive Director, Public Private Partnership Reviews
Assistant secretaries of the Navy (energy, installations & environment), 1990—present
NameAssumed officeLeft officePresident appointed bySecretary served underAssistant Secretaries of the Navy (Installations & Environment)Jacqueline E. Schafer19901992George H. W. BushHenry L. Garrett IIIFrederick S. Sterns (acting)19931994Bill ClintonJ. Daniel Howard (acting)Frank Kelso (acting)Robert B. Pirie Jr.March 1994October 12, 2000John Howard DaltonRichard DanzigDuncan Holaday (acting)January 20, 2001August 7, 2001George W. BushGordon R. EnglandHansford T. JohnsonAugust 7, 2001March 1, 2005Gordon R. EnglandB. J. PennMarch 1, 2005March 13, 2009Gordon R. EnglandDonald C. WinterRoger M. Natsuhara (acting)August 2009March 5, 2010Barack ObamaRay MabusAssistant Secretaries of the Navy (Energy, Installations & Environment)Jackalyne PfannenstielMarch 5, 2010July 2012Barack ObamaRay MabusDennis V. McGinnSeptember 3, 2013January 20, 2017Steve Iselin (acting)January 20, 2017February 20, 2018Donald TrumpSean Stackley (acting)Richard V. SpencerPhyllis L. BayerFebruary 20, 2018March 30, 2019Richard V. SpencerTodd C. Mellon (acting)March 30, 2019June 26, 2019Lucian Niemeyer (acting)June 26, 2019April 24, 2020Richard V. SpencerThomas Modly (acting)Charles A. WilliamsApril 24, 2020January 20, 2021Thomas Modly (acting)James McPherson (acting)Kenneth BraithwaiteTodd L. Schafer (acting)January 20, 2021August 5, 2021Joe BidenThomas Harker (acting)Meredith BergerAugust 5, 2021January 20, 2025Carlos Del ToroPeter S. Lynch (acting)January 20, 2025March 31, 2025Donald TrumpTerence G. Emmert (acting)John PhelanBrenda M. Johnson-Turner (acting) March 31, 2025July 22, 2025Donald TrumpJohn PhelanElmer Román (acting) July 22, 2025December 23, 2025Brendan P. RogersDecember 23, 2025PresentJohn PhelanHung Cao (acting)
References
Page at US Navy Library Records at the Naval Historical Center