Gary Mazart

Laura K. Gasiorowski is a Managing Partner of Stahl Gasiorowski Criminal Defense Lawyers, P.C., a boutique criminal defense firm established in 1997 focused exclusively on representing clients in complex white-collar criminal litigation, regulatory enforcement actions and corporate investigations. She has practiced criminal defense law for over 30 years and litigates in federal and state court, and on both trial and appellate levels. Admitted to practice in New Jersey, New York, and Louisiana...

A skilled advocate, Dennis Carletta represents individuals and corporations in complex criminal enforcement matters and sensitive internal investigations. As a former Assistant United States Attorney, Mr. Carletta has significant trial and litigation experience, having spent more than fifteen years investigating and prosecuting violations of federal criminal law. Mr. Carletta joined O'Toole Scrivo LLC as a partner in 2018. With a seasoned understanding of both federal and state government enf...

Mr. Valen represents an exceptional range of domestic and international clients in major complex dispute resolution and business counseling matters in the United States and abroad. His experience, business judgment, and training help him serve the needs of corporations and individuals in both civil and criminal litigation, enabling him to efficiently handle his clients’ most significant matters involving either governmental or private claims, including commercial litigation, white colla...

Jeffrey M. Beyer is a lawyer recognized by Best Lawyers in the practice area of Insurance Law. Jeffrey M. practices law in Madison, New Jersey Best Lawyers has recognized Jeffrey M. Beyer since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jeffrey M. Beyer is held by other lawyers.

Simon Levin is Chair of the Sills Cummis & Gross Tax and Financial Planning Practice Group. He has over thirty-five years of experience with in-depth and innovative tax and financial planning expertise for businesses and individuals. He has written and lectured widely on various tax topics, with his articles appearing across numerous legal, tax, and professional publications. He co-authored the book, Estate Planning and Administration in New Jersey , and the American Institute of Certifie...

Katelyn O’Reilly maintains a diverse practice, with a primary focus on federal and complex commercial litigation, including intellectual property, contract and business disputes, and antitrust and class action defense. Prior to joining the firm, Katelyn was an associate at a large New Jersey law firm. She served as a law clerk to the Honorable Dennis M. Cavanaugh, United States District Judge for the District of New Jersey, for the 2010-2011 term, and to the Honorable Joseph A. Dickson,...

Heidi I. Hansen is a member with the firm’s Trusts & Estates and Tax Groups whose practice focuses on complex estate planning, gift tax planning and estate administration matters. She assists individuals, businesses and estates with tax audits and in the United States Tax Court; collaborates frequently with white collar defense attorneys in defending criminal tax matters; and helps form, and advises, nonprofit organizations. Heidi began her legal career in private practice before jo...

For more than 15 years, Sean has focused his practice on representing both corporations and individuals in their business and commercial litigations, personal matters, and complex high-net-worth matrimonial matters. A seasoned litigator, Sean has honed his extensive litigation skills to effectively represent clients in all aspects of their lives by custom-tailoring solutions to their complicated, and often sensitive, problems. Sean prides himself on the long-term relationships that he has dev...

Adam Haberfield is a Co-President of the Firm and shareholder in the Corporate and Real Estate Groups. He represents a broad range of clients and has a diverse practice involving sophisticated corporate and real estate transactional matters. In the traditional corporate arena, Adam has extensive experience in the mergers and acquisitions area, representing buyers and sellers in asset- and stock-based transactions. In addition, he regularly functions as outside general counsel on behalf of mid...

Neil’s healthcare and insurance law practice has a particular emphasis on the intersection of healthcare finance and healthcare delivery systems. He has significant experience assisting both healthcare providers and insurance companies in the negotiation and drafting of provider-payer contracting agreements, including participation in commercial, Medicare Advantage and managed Medicaid networks, and provides representation in insurer compensation disputes. He regularly represents and co...