Ari J. Markenson

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...

Senior partner in one of the premier matrimonial firms in New York City, known as a consummate professional: litigator,negotiater, settler and someone who is both a thinker and thoughtful, caring and compassionate. he leads a group of attorneys who practice in that tradition. He is a teacher, lecturer and writer and for decades his articles and lectures have been well received by bench, bar and numerous specialty groups including accountants, mental health professionals and students of all ki...

Lloyd B. Chinn is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management and Litigation - Labor and Employment. Lloyd B. practices law in New York, New York Best Lawyers has recognized Lloyd B. Chinn since 2023. 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 Lloyd B. Chinn is held by other lawyers.

Sheldon Chanales is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Sheldon practices law in New York, New York Best Lawyers has recognized Sheldon Chanales 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 Sheldon Chanales is held by other lawyers.

Peter Miller has wide-ranging experience in real estate finance with an emphasis on acquisitions, development, joint ventures and financings. He represents owners and developers of investment properties, including private equity funds and other titleholders in the real estate market. Peter handles large, complicated transactions and has managed complex financial and partnership arrangements that arise in large-scale real estate transactions. He represents financial institutions in the purchas...

Bruce H. Lederman is a lawyer recognized by Best Lawyers in the practice areas of Litigation - Construction and Litigation - Real Estate. Bruce H. practices law in New York, New York Best Lawyers has recognized Bruce H. Lederman since 2020. 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 Bruce H. Lederman is held by other lawyers.

Brian J. Gershengorn is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management and Litigation - Labor and Employment. Brian J. practices law in New York, New York Best Lawyers has recognized Brian J. Gershengorn since 2020. 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 Brian J. Gershengorn is held by other lawyers.

John W. Hutchinson is a lawyer recognized by Best Lawyers in the practice area of Public Finance Law. John W. practices law in New York, New York Best Lawyers has recognized John W. Hutchinson 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 John W. Hutchinson is held by other lawyers.

Charles S. Sims is a lawyer recognized by Best Lawyers in the practice areas of Litigation - First Amendment and Litigation - Intellectual Property. Charles S. practices law in New York, New York Best Lawyers has recognized Charles S. Sims since 2007. 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 Charles S. Sims is held by other lawyers.

Gregory H. Chertoff is Co-Managing Partner of Peckar & Abramson PC ’s New York, New York office and serves on the firm’s Executive Committee. His practice focuses on Construction Law and Litigation – Construction , representing general contractors, construction managers, engineering procurement and construction (EPC) contractors, and project owners in contract negotiations, risk management, and dispute resolution matters. Greg regularly assists clients with complex const...