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Officers & Staff
President (Interim)
Emmanuel DeJesus



Originally from Methuen, Massachusetts and a graduate from Methuen high school, Emmanuel also eaned a Bachelor of Arts Degree in Justice Administration from Hawaii Pacific University.

Emmanuel is a US Navy Veteran, who served on active duty orders aboard the USS Russell (DDG-59) an Arleigh Burke-class destroyer stationed in Pearl Harbor Hawaii. During his tour of duty from 2001-2005, he worked as a Mess Management Specialist, where his duties consisted of Division Records Keeping, bulk storeroom manager, galley watch captain duties-managing the overall production of food and preparation. Emmanuel was part of two deployments while aboard the Russell: Operation Enduring Freedom (2001) and Cooperation Afloat Readiness and Training (CARAT) in 2004. He also served in the Naval Reserves until 2009.

Emmanuel has a background in security enforcement and is a Licensed Security Officer in the State of Hawaii. Security enforcement work led him to pursue a career in law enforcement. In 2007, he was hired by the Department of Navy as a civilian DOD Police Officer. Emmanuel currently works as an active DOD Police Officer for Joint Base Pearl Harbor Hickam-Wahiawa Annex NCTAMS.

Emmanuel is a proud husband and a father of two. He enjoys the performing arts and the film industry. He is a professional actor who also holds membership into the Screen Actors Guild American Federation of Television and Radio Artists (SAG-AFTRA). Emmanuel has previously served as a voluntary Union Steward for Federal Police Officers of Hawaii and Affiliates and continues to volunteer his time to serve the Union with pride and diligence.

Executive Vice President (Interim) /Chief Steward CNRH
Bernard Maestas



Bernard Maestas has 15 years of public safety experience and 5 years of service with the Union. He was raised in Brooklyn, NY and moved to Hawaii in 2003. He joined the then-Pearl Harbor Police Department in 2007 and in 2015, he joined FPOHA as a shop steward. Shortly after, he was asked to join the contract negotiations team. In 2018, he was promoted to Chief Steward of the Chapter and Chief Negotiator of the CNRH Chapter. In March of 2020, he accepted the interim appointment as Vice President of National Treasury Employees Union, Chapter 339.

Treasurer (Interim)
Sayca Gray



Graduated from Mililani High School in 1997, Sayca Gray, joined the U.S. Coast Guard in November of 1997. He served 10 years of Active Duty service and he is currently serving in the U.S. Coast Guard Reserves for 13 years. 

While serving in the U.S. Coast Guard, Sayca’s duties include, Search and Rescue, Maritime Law Enforcement, and Anti-Terrorism. The military has presented Sayca with travel opportunities and he has been stationed on the West and East Coast, traveled to different islands on the Pacific Ocean, traveled to Central and South America, and was a Law Enforcement Instructor in Southeast Asia for 3 years. 

Sayca Gray is currently stationed as a reservist in U.S. Coast Guard Small Boat Station in Honolulu, HI and he is currently serving as a Security Guard at JBPHH. 

Secretary (Interim)
Lance Taufaasau



Born and raised in Waianae, HI, and a graduate from Waianae High School.  I joined the Hawaii Army National Guard in 1987 and served honorably over 23 years.  Seventeen years of which I was on special assignment to HPD’s Narcotics/Vice Airport Detail and the Drug Enforcement Administration.  Duties included supporting the operations and interdiction of narcotics into the State of Hawaii, i.e. FLETC aerial and ground surveillance, Domestic Cannabis Eradication and Suppression Program (DCESP) and Green Harvest operations.

I served two tours in Iraq as a Staff Sergeant with the 2/299th CAV Unit and retired in 2010.  I then joined JBPHH in 2011 as a plain clothes surveillance Guard for three and a half years and presently serve as a Guard at JBPHH-Wahiawa Annex-NCTAMS.

NTEU Chapter 339 National Field Represenative
Timothy J. Sheridan



Tim started working for the National Treasury Employees Union in January 1996 in Washington DC.  In September 1996, he moved to California where he has been working as a National Field Representative / Assistant Counsel since that time.

Tim is a graduate of Onondaga Community College and State College of New York, College at Oswego where he earned a Bachelors degree in 1989.  He earned his Juris Doctor (Law Degree) at the University of Akron in 1992, and a LL.M. (Legal Masters Degree) at Georgetown University in Washington, DC in 1998 in Labor/Employment Law.

Tim is also an elected official in the State of California.  He was elected to the Lake Elsinore (CA) City Council representing District 3 in 2018.  He was also the California Democratic Party’s nominee for Congress from California’s 42nd Congressional District in both 2014 and 2016.

Tim has litigated more than 50 arbitration cases during his time at NTEU and has reviewed, prepared and settled close to 120 more.  Prior to being assigned to Chapter 339, Tim represented NTEU’s largest chapter – Chapter 97 – for more than 10 years.

Chief Steward/ Army DES Chapter
Edward Bednar



Edward currently serves as the Chief steward for the Army sub chapter at NTEU Chapter 339. He is a 16 year veteran of the Department of the Army Police and has a total of 20 years Federal service time. He has served in a variety of positions during his time in law enforcment that includes: 5 years as a Patrolman, 1 year as a Patrolman Supervisor and 10 years as a Traffic Managment Investigator. Edward proudly serves our Chapter and its members with great passion and integrity.

Steward/Army DES Chapter/Army Fire
Justin Turnbo



Justin currently serves as a shift Steward for NTEU Chapter 339 at the Army DES Chapter (Army Fire- Wildland Fire Specialist Division). He began his career as a wildland Firefighter in 1997 with the U.S. National Park Service. Worked for US Forest Service and US Fish and Wildlife Service before coming to the ARMY in 2016 as Wildland Fire Specialist. Justin continues to serve NTEU Chapter 339 proudly and always looks forward to working for and representing the Union here at USAG HI.

Steward/JBPHH-Wahiawa Annex/CNRH Chapter (Oahu)
Sean Vincent Cortado



Sean currently serves as the 1st shift steward for the CNRH Chapter JBPHH WAHIAWA Annex, at NTEU Chapter 339. He is a 20 year veteran of the Department of Navy Police at Joint Base Pearl Harbor Hickam. Sean is a graduate of the University of West Oahu with BA in American Studies and also earned an AS degree in Administration of Justice from Honolulu Community College. He also served in the Hawaii Air National guard and is retired. Sean continues to proudly serve our NTEU Chapter 339 members with excellence.

Steward/JBPHH-Pearl Harbor Annex/CNRH Chapter (Oahu)
Zachary Cunningham



Steward/JBPHH-Pearl Harbor Annex/CNRH Chapter (Oahu)
Sean Winsko



Sean currently serves as the 2nd shift steward for the CNRH Chapter JBPHH Pearl Harbor Annex, at NTEU Chapter 339. He was born and raised Honolulu HI, and has been with the department as a guard officer on 2nd shift from 2015 at Main base JBPHH. He also serves the Hawaii Army National Guard as a Cannon crew member, and has been attached to this unit for 10yrs. He has Prior law enforcement experience with the Honolulu Police Department in 2009, worked with TW security and Hana security from 2011 till the end of contract in 2012 . Became a shift steward for NTEU Chapter 339 in early 2019, and also is a part of the union bargaining team. Sean proudly serves our NTEU Chapter with pride and commitment, and continues to make a difference in our Chapter.

Steward/JBPHH-West Loch Annex/CNRH Chapter (Oahu)
Edward Ahkuoi



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