Ari Byk

Edward Baker represents a broad range of whistleblowers and has extensive experience with healthcare fraud under the federal False Claims Act and equivalent state acts. Prior to joining Lieff Cabraser, Mr. Baker was an Assistant U.S. Attorney in the Eastern District of California, where he was the Civil Healthcare Fraud Coordinator, as well as the Elder Justice Coordinator, within the Affirmative Civil Enforcement practice group. As an AUSA, Mr. Baker investigated numerous FCA cases, includin...

Matthew Korn is an attorney in the firm’s Columbia office representing employers in all areas of employment, labor and health and safety law. Matthew litigates both single-plaintiff and class and collective actions arising under a variety of federal and state employment laws. Matthew advises clients on day-to-day employment issues arising under statutes such as Title VII, the Family and Medical Leave Act (FMLA), the Americans with Disabilities Act (ADA), the Age Discrimination in Employ...

Jessica L. Toelstedt joined Mason Law & Mediation LLC as a partner in 2025 and has practiced family and matrimonial law in New York for nearly twenty years. Before joining the firm, she was a partner at Berkman Bottger Newman & Schein, LLP, where she served as Co-Chair of the Mediation and Collaborative Law Practice. Jessica represents clients in matters involving Family Law, Collaborative Law: Family Law, and Family Law Mediation . After spending the first half of her career litigati...

David A. Brauner's practice is based on relationships with clients that sometimes span several generations and is concentrated in the areas of estate planning and the administration of estates and trusts, real estate transactions and the representation of owners and cooperatives, and a broad variety of corporate matters. Mr. Brauner provides counseling and advice principally to privately owned, entrepreneurial business entities and their owners and executives. Long active in philanthropic and...

Albert Aquila is a top medical malpractice lawyer who has won millions of dollars on behalf of his clients since he joined Sullivan Papain Block McGrath & Cannavo as an associate in 1994. He became a member of the firm 2002, and because of his hard work and successful results, was asked by his fellow members to lead one of the firm’s medical malpractice departments. Mr. Aquila is a proven litigation expert with a keen ability to prepare and try medical malpractice cases in all areas...

Jason Jones counsels clients and litigates matters relating to copyright, trademark, unfair competition, false advertising, design patent, and related commercial matters. He also negotiates trademark and copyright licenses, as well as coexistence and settlement agreements. Jason’s litigation experience includes federal trial and appellate courts, as well as state courts and the USPTO’s Trademark Trial and Appeal Board, representing clients across diverse industries, including publ...

Liza Camellerie is a lawyer recognized by Best Lawyers in the practice area of Family Law. Liza practices law in New York, New York Best Lawyers has recognized Liza Camellerie 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 Liza Camellerie is held by other lawyers.

Boris Ziser is a lawyer recognized by Best Lawyers in the practice area of Securitization and Structured Finance Law. Boris practices law in New York, New York Best Lawyers has recognized Boris Ziser since 2027. 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 Boris Ziser is held by other lawyers.

Moshe Horn is a lawyer recognized by Best Lawyers in the practice area of Mass Tort Litigation / Class Actions - Plaintiffs. Moshe practices law in New York, New York Best Lawyers has recognized Moshe Horn since 2013. 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 Moshe Horn is held by other lawyers.

Ronald C. Minkoff is a partner in the Litigation Group and chair of the Professional Responsibility Group. Mr. Minkoff is one of New York State’s leading practitioners in the field of attorney ethics and professional responsibility, representing attorneys in a wide variety of matters including law firm partnership agreements, attorney departures and lateral hires, attorney discipline cases, legal fee disputes and legal malpractice and professional liability cases on behalf of both plain...