Sean Francis Mangan

Sean Francis Mangan

also known as LTC(Ret) Mangan, US Army, Mangan Law

5.0
Rating: 8.7

Licensed for 22 years

Military law Lawyer at Silverdale, WA
Practice Areas: Military Law, Criminal Defense, Family

10661 Old Frontier Rd NW, Suite 211, Silverdale, WA

About Sean

Biography

Practice Areas

3

Practice Areas

Military Law 90%

Military Criminal and Administrative Matters: Representation during investigations, Defense against Courts-Martial & Administrative Separations, Rebuttal to Letters of Reprimand, Negative Evaluations, and Medical Credentialing.

90%
Criminal Defense 8%

I primarily take cases for military family members arising from on-post incidents.

8%
Family 2%

I occasionally take on divorce and family law issues for military families.

2%

Fees and Rates

Cost

Free Consultation

$0 first 30 minutes


Payment Methods

  • Check
  • Credit Card

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Licenses

Licensed in Washington for 6 years

State: Washington

Acquired: 2019

Active

No misconduct found

Licensed in Oregon for 22 years

State: Oregon

Acquired: 2003

Inactive

No misconduct found

Location

Mangan Law

10661 Old Frontier Rd NW, Suite 211, Silverdale, WA, 98383

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Sean Francis Mangan's Reviews

Avvo Review Score

5.0 /5.0

122 Client Reviews

Showing 16 - 20 of 21 reviews | Compassion

Posted by CHRISTOPHER | February 12, 2022 | Hired Attorney | Sex Crime

The best decision I made was hiring Sean Mangan!!!!!

False Sexual Assault Charges were brought up to me in April 2021 (Article 120 and Article 93). I am part of the Special Operations community at Ft. Campbell. Sean always kept me informed through the process and was always very patient with any questions me or my family had. There was another inci...dent that arose during this process and he helped me with that situation as well with no hesitation. His expertise during the court martial led to the best possible outcome for my case. Him and my trial defense counsel got me acquitted of both charges that were brought against me. My 1SG was making unnecessary comments after the whole ordeal was over and Sean called our legal team and told them they needed to put a stop to it. Even after our contractual representation was done he was still helping me out. This says a lot about his character and what an amazing individual he is. He genuinely cares for his clients!! I am forever in his debt for his relentless persuit of actual justice and his unparalleled knowledge. If you ever find yourself needing legal representation I STRONGLY RECOMMEND YOU HIRE SEAN MANGAN!!!! He is the best option for a favorable outcome in this military “Justice” system.

Posted by Jeff | March 22, 2021 | Hired Attorney | Military Law

LIFE SAVER

The end of 2019 I was falsely accused of absurd charges that resulted in a GOMOR. I wasn’t sure what to think of the outrageous charges filed against me and didn’t know how to go about fighting it. I relied on TDS to help me but they only advised me to ask for forgiveness and leniency due to my impec...cable career. I put together a rebuttal and was told by TDS I should remove most my remarks and anything that I wrote to defend myself. I put together what I thought would help my case but only ended with myself receiving a letter saying I was facing a board of inquiry. Following the notice I searched for representation until I found someone that looked legit. I came across Jocelyn Stewart’s office that was out of state. I knew it would be expensive but I was also going through a MEDBOARD that stemmed off of appointments and medical issues that I was being seen for before the supposed incident occurred. When I talked to Jocelyn she handed my file to her associate Sean because she felt he was the perfect person for my case. Instantly Sean was personable, caring, understanding and reassuring. After reading through my case he was shocked it had gone as far as it did and wished I had contacted him earlier in the process so he could have crushed all the nonsense. Sean was confident in what he said he could do for me and assured me he could take care of everything. Along the process he checked in to see how I was doing and genuinely cared about me. When it came time to execute he did exactly what he said he would do. He was able to have all charges dropped, the BOI canceled and my career put back intact like nothing happened. Due to Sean’s incredible work I am in the process of receiving a full honorable discharge with full benefits following a medical discharge. I wish I would have called Sean from the get go. Whatever you do, DO NOT rely on TDS or an appointed defense council. In some aspects of your defense they have their hands tied in what they can do for you. Sean is a retired military judge with years of defense experience and whose name is widely known and respected amongst the active duty JAG Corps. It was unreal how respected and relevant he is being out of uniform. I cannot thank Sean and Jocelyns office enough for everything they did for me. If you find yourself in a situation that requires representation do not hesitate to request their help. They will take care of you!!!

Posted by anonymous | September 23, 2020 | Hired Attorney | Military Law

Brought in a win against high odds

I was up against eight specifications of a bogus Art. 120 charge and an Art. 134 charge as a Captain (O3). I called UCMJDefender and Joselyn immediately brought Sean in on the consultation call to begin working through my case. Throughout the process Sean was checking in to ensure that I was doing al...right and to update me on my case. His firm brought in excellent consultants and experts to testify on my behalf. Throughout the trial he and my team overwealmingly showed that the government's' case was weak and I was found Not Guilty of the Article 120 charge; additionally he inserted case law that would trigger an appellate review and trial, he plays chess where the government prosecutors are playing checkers.

Posted by anonymous | September 21, 2020 | Hired Attorney | Criminal Defense

Article 120, 134, and 92

I was a US Navy LTJG (O-2) up against criminal charges punishable by UCMJ Article 120, 134, and 92: Sexual harassment/assault, distribution of alcohol to a minor, and conduct unbecoming of an officer. This could amount to up to 25 years in prison. I could not believe it. I thought my career was ov...er. I thought I would never find another job again. I thought my life my life was over. If you are wondering when to get a lawyer, the answer is immediately upon hearing there is an investigation going on, EVEN if you are still going to work and showing up to quarters at your command. When I heard about my allegations, I contacted Sean Mangan. Upon hearing my story of what happened, Sean looked me in the eye and calmly said, “I’m confident I can provide the services you need.” And he delivered. He organized his own investigation on what happened, and the nature of the people involved. He has his own team working on gathering as much information as possible. He collected positive evidence that could help at a court martial or administrative separation board. He went above and beyond and was ready to fight for me BEFORE anything was heard from the investigative team – NCIS. He moves quick to drive the process down a favorable path. As a retired Lieutenant Colonel (O-5) in the Army, not only did he surprise me when he knows all branches of the military (Army, Navy, Coast Guard, etc.), but HE KNOWS PEOPLE ON THE INSIDE from all his years of service that can help MOVE THE CASE TO A MORE FAVORABLE POSITION. For me, I went from a possible general court marshal to my command taking no legal action NOR administrative action against me. This is why it is important to HIRE SEAN EARLY ON, not just to dampen the legal blow to your life, but to also save money so you don’t go to a court martial. Through the next 6 months of silence, there were points I broke down, points where I needed to know what was next, and points where I required immediate assistance. He was there for all of it. He handled my insecurities about the process with calmness, professionalism, and constant assurance that everything was going to be alright. Not every lawyer will pick up the phone at 8:30 PM while he is at a dinner party to answer a quick question. Most lawyers do not even give out their phone numbers, so you have to leave a message with their paralegal. TLDR – If you want to win, hire Sean.

Posted by Garrett | August 11, 2020 | Hired Attorney | Military Law

Sean is the best combination of knowledge/empathy you will find

Due to a pending EO related UCMJ, I saw my career flash before my eyes. I was terrified and I felt like there was nobody who actually cared about my side of the story. I contacted five attorney's offices before I was referred to Sean through Jocelyn Stewart's website.. Every attorney i talked to befo...re Sean was pushy, rude, expensive, and most of all, judgemental. I talked to Sean for the first time in my barracks room for 20 minutes with the shower on. I almost cried after the call because he was so nice and understanding. He didn't even mention payment on the first call. Throughout the entire UCMJ process, I frequently texted and called Sean. (he didn't like being called sir) He answered every question I had. I asked him every question that popped into my head. Anything ranging from 'what do I do when I get kicked out?' To 'how is this going to affect my career?' The latter question I asked after I received a verbal reprimand as punishment. To put it plainly, Sean saved my career. I can not begin to describe what Sean did for me. He defended me in the right way. He listened first and asked questions second. I read his memo to my commander and there wasn't one exaggeration nor a falsity or any play on words. Sean took me in as a terrified private and plainly stated my defense to my commander. Most importantly, he never judged me. Sean saved my career and I will never forget him and what he did for me

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Sean Francis Mangan's Lawyer Endorsements

Endorse Sean
Paul Charles Judge headshot
Paul Judge

Military law lawyer | Nov 17

Relationship: Worked for lawyer

"I met Sean when I was a legal intern back in 2014. Now, we work together at The Law Offices of Sean F. Mangan, PLLC. I cannot say enough good things about Sean. He knows military law as good or better than anyone I have ever met. He is incredibly skilled in the courtroom. He is a thoughtful and creative problem solver with administrative issues. He has a deft hand with managing clients' problems and a wide network of professional relationships. I strongly recommend him and am proud to call him my mentor."

Amir Ragab Hamdoun headshot
Amir Hamdoun

Criminal defense lawyer | Aug 16

Relationship: Worked together on matter

"Sean Mangan is an expert litigator and a master in the courtroom. I had the fortune of working with Mr. Mangan on a criminal case that went to trial. The client's interests were represented to the full maximum potential. As an attorney, I would turn to Sean Mangan for tips on a wide spectrum of topics. I learned a great deal from Sean. With his knowledge base and calm demeanor, he made the trial team feel confident every step of the way. Sometimes, the battle is won before trial begins and Sean prepares his clients like no other. Highly recommend."

Cory Alan Chipman headshot
Cory Chipman

Military law lawyer | Jun 30

Relationship: Fellow lawyer in community

"I worked with Sean on several cases as his co-counsel. He is a knowledgeable professional with years of experience, including time as a military judge. He provided excellent representation to his clients and got results beyond expectations. Judges he practices in front of see him as a peer and respect his experience and arguments."

Jocelyn C. Stewart headshot
Jocelyn Stewart

Military law lawyer | Oct 16

Relationship: Worked together on matter

"Sean Mangan is one of the most knowledgeable and hardworking attorneys in his field. Dedicated and committed to every client and every case, Sean brings experience as a prior military judge, prosecutor, and defense attorney. I do not hesitate to endorse him."

Cody Elijah Harnish headshot
Cody Harnish

Military law lawyer | Sep 28

Relationship: Co-worker

"I wholeheartedly endorse this lawyer. Sean is an exceptional attorney with a ton of experience. What people cannot learn from experience, Sean naturally possesses. This means he is a knowledgeable, talented, and gifted lawyer."

View All Endorsements
Paul Charles Judge headshot
Paul Judge

Military law lawyer

Cody Elijah Harnish headshot
Cody Harnish

Military law lawyer

Experience

Rating:  8.7 (Excellent)

Honors

2010

Bronze Star Medal, DOD

2001

Superior Advocate Award- Mock Trial, University of Oregon School of Law

Work Experience

2020 - Present

Owner/Attorney, Mangan Law

2018 - 2020

Criminal Law Policy Attorney, US Army

2015 - 2018

Trial Judge, US Army

2013 - 2015

Regional Defense Counsel, Us Army Jag Corps

2010 - 2013

Professor of Criminal Law, TJAGLCS

2009 - 2010

Special Operations Legal Counsel, DOD/Joint Task Force

2008 - 2009

LLM Candidate, Us Army Jag Corps

2007 - 2008

Supervising Appellate Counsel, Us Army Jag Corps

2006 - 2007

Appellate Counsel, Us Army Jag Corps

2005 - 2006

Chief of Military Justice, Us Army Jag Corps

2005 - 2006

Special Assistant United States Attorney, Department Of Justice

2004 - 2004

Military Magistrate, Us Army Jag Corps

2003 - 2004

Administrative Law Attorney, Us Army Jag Corps

2002 - 2002

Intern Prosecutor, Lane County Prosecuting Attorney

2001 - 2002

Intern Prosecutor, Us Army Jag Corps

1996 - 2000

Officer, US Army Military Police

Associations

2021 - Present

Washington Defenders Association

Member

2020 - Present

International Association of Military Criminal Defense Lawyers

Member

2019 - Present

Washington State Bar Association

Member

2003 - Present

Oregon State Bar #035465

Member

2000 - Present

American Bar Association

Member

Sample of Legal Cases

United States v. Lt Col WH, USAF

NG to 10 of 11 charges. Appeal ongoing with USAF Ct of Criminal Appeals

United States v. SGT CB, US Army

Full Acquittal: Not Guilty to all Charges and Specifications

United States v. SGT RR, US Army

Not Guilty to all contested charges, no punishment adjudged

United States v. SFC CZ, U.S. Army

Full Acquittal, NG to All Charges and Specifications

See More Legal Cases

Education

2011

US Army Command & General Staff College

Leadership

2009

US Army JAG School

LLM Military Criminal Law

2003

University of Oregon School of Law

JD - Juris Doctor

1996

Gonzaga University

BA - Bachelor of Arts Sociology and Philosophy

Speaking Engagements

2016

Military Law Section (LAMP)

Military Justice Overview and Update

Publications

2020

US Army Army Regulation 27-10 (2019 edition)

2011

TJAGLCS-ADC Crimes and Defenses Deskbook

Languages

English

Activity

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