Avi Z. Kestenbaum

Jeffrey S. Greener represents individuals, families, business owners, and nonprofit organizations in matters involving Elder Law , Trusts and Estates , estate planning, and business succession planning. Based in Uniondale, New York, Jeff advises clients on strategies designed to help protect, preserve, and transfer wealth across generations at Rivkin Radler . Jeff’s practice includes the preparation of wills, trusts, health care directives, durable powers of attorney, shareholder agreem...

John R. Morken is a trusts and estates litigator representing individuals, families, and institutions. With extensive trial and appellate experience in the Surrogate’s Courts and other courts throughout New York, John handles probate contests, trust litigation, discovery proceedings, accountings, and commercial litigation related to estates. John is very active as a certified mediator, settling disputed estate matters. He also advises clients on steps that can be taken to avoid future e...

Katherine A. Heptig is a partner at Rivkin Radler LLP in Uniondale, New York, and is a member of the firm’s Business Dissolution, Corporate , Health Services , Trusts & Estates , and Tax Practice Groups. Her practice focuses on transactional tax law and executive compensation, general business law for corporations, limited liability companies, and partnerships, and ERISA and employee benefits matters, including multi-employer health and welfare plans and retirement plans for sponsor...

Marc Sittenreich is a lawyer recognized by Best Lawyers in the practice areas of Health Care Law and Litigation - Health Care. Marc practices law in Melville, New York Best Lawyers has recognized Marc Sittenreich 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 Marc Sittenreich is held by other lawyers.

Michelle E. Espey advises individuals, partnerships, businesses and not-for-profit corporations with respect to the application and interpretation of tax policies and laws. Her cases often involve novel, complex problems for which she provides strategic planning and analysis. Clients and colleagues frequently seek Michelle’s counsel with respect to the tax consequences of various transactions and the related tax reporting and compliance obligations. Michelle is a versatile lawyer who is...

John P. McEntee is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. John P. practices law in Uniondale, New York Best Lawyers has recognized John P. McEntee since 2025. 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 P. McEntee is held by other lawyers.

William Savino is a partner at Rivkin Radler LLP in Uniondale, New York, and is a member of the firm’s Insurance Coverage and Commercial Litigation Practice Groups. His practice focuses on Insurance Law and Litigation - Insurance, and he represents clients in complex coverage and commercial disputes in trial and appellate courts throughout the United States. Bill has represented insurers in a wide range of significant coverage matters, including the September 11 World Trade Center Liabi...

Ilene Sherwyn Cooper is a partner practicing litigation and estate planning in Surrogate’s Courts throughout Metropolitan New York. Before joining Farrell Fritz, she served for ten years as the Chief Law Assistant of the Suffolk County Surrogate’s Court. Her responsibilities there included preparing judicial opinions on complex and novel issues; acting as the Trial Assistant to the Surrogate, preparing pretrial memoranda, jury charges, evidentiary rulings and post-trial decisions;...

Evan H. Krinick is a litigator and appellate lawyer at Rivkin Radler LLP in Uniondale, New York, and previously served as the firm’s Managing Partner for 13 years. Since joining Rivkin Radler in 1987, Evan has represented clients in hundreds of significant matters involving Appellate Practice , Insurance Law , and Litigation - Insurance, as well as commercial , banking , health care , municipal and public authority, tort liability , and insurance fraud disputes. His experience includes ...

Brian J. Shenker is a lawyer recognized by Best Lawyers in the practice area of Employment Law - Management. Brian J. practices law in Melville, New York Best Lawyers has recognized Brian J. Shenker since 2025. 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. Shenker is held by other lawyers.