About David Brian
David Brian Deitch is an attorney specializing in felony law, corporate law, securities regulation, stockbroker and funding fraud, and white-collar crime. He leads the White Collar Defense and Corporate Compliance practice at Berenzweig Leonard LLP in McLean, Virginia. With over 30 years of experience, David has tried extra than one hundred jury trials in federal and state courts nationwide. His practice encompasses criminal protection, civil, regulatory, and administrative matters, drawing from his broad background as each a state and federal prosecutor and as criminal defense lawyer for prominent agencies and people. David earned his law degree from New York University School of Law in 1988 and his Bachelor of Arts in Law and Society from Brown University in 1985. He is licensed to practice in Massachusetts, New York, and Virginia.
In Virginia, he's a member of the Virginia State Bar, holding license number 74818 — Before becoming a member of Berenzweig Leonard, David served in a number of prosecutorial roles. He used to be an Assistant District Attorney in Manhattan (1992-1995), an Associate Independent Counsel in the Office of Independent Counsel Carol Elder Bruce (1998-1999), and an Assistant U.S. Attorney within the District of Columbia (1999-2003). From 2003 to 2007, he used to be a part of the U.S. Department of Justice's Counterterrorism Section, where he coordinated counterterrorism investigations and prosecutions for 17 U.S. Attorney’s Offices.
In 2004, he acquired the Assistant Attorney General’s Award for Advancing National Security. At Berenzweig Leonard, David has achieved notable successes. He secured a $20 million jury award for the Learning Annex in federal judiciary in New York and later won a bigger verdict of $21.eight million on new trial. He also represented a media company in New York federal judiciary, main to the dismissal of civil allegations and an award of lawyers’ fees for the client. Additionally, he defended a client indicted in New York state judiciary for industry corruption, resulting in a plea to a category B misdemeanor, the lowest degree felony offense within the New York state code. David is acknowledged for his contributions to the legal field.
He was indexed in Virginia Super Lawyers in Criminal Defense: White Collar in 2022 and named a Top Lawyer in Criminal Defense by Northern Virginia Magazine in 2020-2021. He has been included in Virginia Business Legal Elite for Criminal Law from 2019 to 2021 and acknowledged by the National Trial Lawyers as a Top one hundred Criminal Defense attorney in Virginia in 2019. He is a member in good standing of numerous expert organizations, including the George Mason American Inn of Court. He serves as a Master of the Bench, the Federal Bar Association's Northern Virginia Chapter, and the Fairfax Bar Association's Criminal Law Section. David also holds memberships within the DC Bar's Criminal Law and Individual Rights Community.