Marc Gann
Of Counsel
Tel: (516) 279-1555
Fax: (516) 213-0339
Marc Gann is one of the most highly regarded lawyers on Long Island and acts as special outside counsel to Bashian & Papantoniou. An AV-rated attorney who currently serves as the elected 1st Vice President of the 6,000-member Nassau County Bar Association, Marc is on the “short list” of preeminent Nassau County criminal defense practitioners and has handled numerous high-profile cases throughout the metropolitan area. Most of his clients are referred by other lawyers, criminal court personnel, or previous clients whom he successfully defended. Marc also serves as Chair of several committees of the Nassau County Bar Association, including the Grievance Committee (reviewing the legal competence and professional conduct of lawyers in the Tenth Judicial District). He is listed in the Bar Register of Preeminent Lawyers.
An experienced trial lawyer, Marc defends all types of criminal cases – from minor traffic matters and drunk driving cases to the most serious major felonies – in the courts of Manhattan, Brooklyn, Queens, the Bronx, Staten Island, Nassau County and Suffolk County. He has handled serious felony charges in both the Southern and Eastern Federal Districts of New York. He is particularly experienced in the defense of murder cases, and had been certified to handle death penalty cases by the New York Capital Defender’s Office. He has handled numerous homicide cases including a double murder in Nassau County, and has been lead counsel in the defense of a multi-defendant murder and kidnapping case that received national attention. He is also experienced in the defense of drug cases, including cases involving anabolic steroids and other bodybuilding drugs. He is admitted to practice both in New York and Maryland.
He has taken verdicts on major felony charges such as burglary, robbery, drug sale and commercial fraud. He has examined and cross-examined all types of witnesses from civilian and police witnesses to experts in areas such as ballistics, fingerprints, serology and forensic pathology. He also has expertise in the defense of Driving While Intoxicated cases, having defended many hundreds of these cases. Having prosecuted drunk driving cases exclusively for a portion of his tenure as an assistant district attorney, trying numerous cases to verdict, he has a substantial practical advantage in now defending these cases.
Marc has previously served as an elected Director of the Nassau County Bar Association. He is Past Chair of the Criminal Courts Law and Procedure Committee of the Bar, where he planned and chaired continuing legal education programs and seminars for criminal lawyers throughout the county. He was honored as the recipient of the Association’s 2001 Directors’ Award for his outstanding contributions the legal community. He has frequently lectured to the local and State Bar Associations and the National Institute of Trial Advocacy. In recognition of his superlative trial skills, he was asked to serve as Team Leader for the 2002 National Institute of Trial Advocacy program at Hofstra University Law School. He continues to serve as Adjunct Faculty at Hofstra Law.
He has been interviewed by the media on many occasions regarding issues of criminal law, and he often appears on local television. He is a past president of the Former Assistant District Attorneys Association of Nassau County and is a member of the American Bar Association and other legal and professional associations. He is also highly active in community associations and volunteer programs, including serving for many years in a Bar association student mentor program at a local middle school.
He received his B.A. from Franklin and Marshall College and his law degree from Hofstra University School of Law.
Bar Admission
- New York

