He has been involved in hundreds of investigations, and prosecuted, as first-chair, approximately 50 courts-martial to verdict and sentence while serving with the 1st Infantry Division in Germany and the Balkans.
John also has extensive defense appellate experience, having represented nearly 100 military personnel before military and civilian appellate courts.
At one point, he worked directly for the Clerk of the Court, US Army Court of Criminal Appeals and the Chief Judge to update the Rules of Practice and Procedure.
He has achieved favorable results in non-judicial punishment, administrative separation proceedings, security clearance issues, clemency, and appeals.
A veteran of Operation Enduring Freedom, from 2009 – 2010, he is experienced defending cases involving the Rules of Engagement. Additionally, he was also the project manager at the Justice Center in Parwan from 2012 – 2013. There, he led the team of 100 US and Afghan legal and law enforcement personnel who trained Afghan Judges, prosecutors, defense counsel, and investigators on the rule of law when trying Afghan military-aged-males for membership in the Taliban or violence against coalition forces at a top-secret Afghan national security court.
In Federal court in Chicago, Mr. Maher obtained a favorable settlement against a large Cook County government agency for violating an Army Reservist’s rights under USERRA.
He is a 2014 graduate of the US Army War College.