Our Team


Gilbert Ambler, Esq.

Attorney Ambler focuses on constitutional issues and criminal defense throughout Virginia and in central and western Pennsylvania, with many of his cases involving weapons or self-defense related issues.  He also has experience representing both individuals and Federal Firearm Licensees (FFLs) in compliance with the ATF.  Gilbert is a contributor to multiple firearms blogs, has taught CLE (continuing legal education) to other attorneys on the subject of firearms law, and has been a featured guest on radio programming to discuss important constitutional concepts.  Gilbert is also one of the founding members of the American Council of 2nd Amendment Lawyers (see 2alawyers.org).  He is the co-author of "The Ultimate FFL Resource Guide," a comprehensive guidebook for Federal Firearm Licensees. Gilbert's appellate court experience includes arguing in front of the Commonwealth Court of Pennsylvania.  While earning his law degree at the Dickinson School of Law Gilbert spent time clerking for the Honorable Judge Masland in Cumberland County, Pennsylvania. Gilbert also worked as an intern with a private criminal defense firm, and with the local public defenders office.  


Martin R. Scheller, Esq.


Martin Rodgers Scheller was admitted to the Virginia Bar in 2013. He moved to the Winchester area with his wife Laura in November of 2013 and has been practicing law there since. 

Martin’s practice areas include criminal, traffic and DUI, custody and visitation, and child support. Martin particularly enjoys representing individuals charged with drug-related offenses -- including possession and distribution related cases -- and cases that present fourth-amendment evidentiary issues. Additionally, Martin has represented many children as a Guardian ad Litem in cases involving custody/visitation, protective orders, and the Department of Social Services. Martin prides himself on open and thorough communication with his clients. His top priority in any case is to ensure that his client fully understands the proceedings and is making an educated decision as to how to proceed. He is a trial lawyer who spends the majority of his time in the courtroom. Over his almost seven year career, Martin has earned his reputation as a thorough communicator and zealous advocate. He has represented individuals with charges ranging from simple traffic offenses to murder.

Martin graduated with a B.A. in Philosophy from James Madison University in 2009. While at JMU, Martin was the president of the philosophy honor society and a member of the Phi Alpha Delta law fraternity. After graduating from JMU, Martin attended Penn State University's Dickinson School of Law located in Carlisle, Pennsylvania, graduating with his Juris Doctorate in 2013. While in law school, Martin worked for the Carlisle Public Defender’s office and clerked for Judges Kenneth A. Mummah and Kathy A. Morrow of the 41st Judicial District.

When he isn't practicing law, Martin enjoys spending time watching Disney plus, building epic lego structures, and having nerf battles with his two young sons and going on walks with his wife, Laura. Martin is also an avid fan of Washington, D.C. sports, including the Redskins, Wizards, and Nationals.


John D. Hasselberger, Esq.


John Dunham Steel Hasselberger was admitted to the Virginia Bar in 2013.  He is admitted to practice in all state courts in Virginia, and additionally holds admission in Federal Court for the Western District of Virginia as well as in the Bankruptcy Courts for the Western District of Virginia.

John is an experienced litigator and is skilled in obtaining positive results for his clients in difficult cases. He focuses on domestic relations and criminal defense, having practiced in these areas for most of his career.  He has additional experience in a wide variety of other areas of law, including bankruptcy and civil litigation.  John strives to listen to the needs of his clients and tailor his approach to best fit their goals.  He is a bilingual attorney, and speaks Spanish fluently.

John was born in Washington, DC, but lived abroad for the majority of his youth. John attended the University of Arizona in Tucson, Arizona where he majored in History and Philosophy and was a member of the Kappa Alpha Order fraternity. Thereafter, he attended the Southern Methodist University – Dedman School of Law in Dallas, Texas on scholarship, graduating with his Juris Doctorate in 2013. While at SMU, he worked for the Office of the United States Trustee for the Northern District of Texas and the Dallas County District Attorney’s Office focusing on traffic offenses and DWI. John has practiced in the Shenandoah Valley and Northern Virginia since his admission, having served as counsel for various Departments of Social Services in addition to his family law and criminal defense practice. He has also represented employers and insurers in the Virginia Worker’s Compensation Commission, litigating up to the Court of Appeals of Virginia and assisting in the preparation of winning briefs therein (King William County v. Linda Jones, 789 S.E.2d 133 (2016)).


Sylvia White, Paralegal

 Ms. White is an experienced criminal defense and workers compensation paralegal.  Sylvia has a passion for criminal defense and defending the rights of gun owners.

Sylvia will work closely with you throughout your entire case. A phone call away, she is available to answer questions and provide you an always friendly, attentive contact at Ambler Law Offices. 

Ms. White enjoys shooting firearms and her favorite gun is her Sig Sauer P938.


Susan Franks, Paralegal


Susan Franks has lived in Winchester most of her life.  She is a  summa cum laude graduate of Shepherd University and is a certified paralegal.  Susan has extensive experience in domestic relations and criminal law, including over seven years as a paralegal in the office of the Commonwealth’s Attorney.  She has a passion for law and justice, always striving to provide excellent customer service to the firm's clients.  When not working, Susan enjoys spending time with her husband, Rev. Charly Franks, traveling, and playing trivia on the award winning team, the Sinister Ministers.    

Our Practice

Practice Areas

Practice Areas

Practice Areas

  • 1st Amendment (Freedom of Speech and Religion)
  • 2nd Amendment (Right to keep and bear arms)
  • 4th Amendment (Freedom from unreasonable search and seizure)
  • Criminal Defense
  • Civil Litigation
  • Other constitutional rights issues

Here for You

Practice Areas

Practice Areas

At Ambler Law, we specialize in bringing the law to your corner. We are dedicated to understanding what results you want and to helping you understand what actions we can take on your behalf. We will work with you every step of the way to make sure that you understand the choices you are making and feel empowered to make them.

A Team in Your Corner

A Young, Energetic, Legacy of Success

A Young, Energetic, Legacy of Success

We strive to work both hard and purposefully to achieve the results you are seeking.  Every morning, our legal group has a meeting to discuss our cases. This daily review keeps the team up to speed and fresh on your case.

A Young, Energetic, Legacy of Success

A Young, Energetic, Legacy of Success

A Young, Energetic, Legacy of Success

Gilbert has been in the firearm industry for several years and is committed to using his experience to create success in your case. As a college athlete, former business founder, and someone who worked full time while attending law school, Attorney Amber is no stranger to hard work, long hours, and achieving results.  Hiring Ambler Law Offices means hiring a law practice that will work for your success.

Contact us for a no cost, no obligation discussion about your legal concern.