Nicholas W. Keller

Nancy J. Arencibia is a principal in the Berkeley Heights, New Jersey, office of Jackson Lewis P.C. She regularly handles all aspects of employment law. Nancy has a broad area of practice. She acts as lead counsel on all aspects of employment litigation, including claims of harassment and discrimination on the basis of gender, pregnancy, age, race, religion, national origin and disability, as well as wrongful discharge, FMLA, CEPA, invasion of privacy, defamation, breach of employment contrac...

Linda N. Engleby, a partner with Donnelly Minter & Kelly, LLC, is an Estate Planning and Trust and Estate Administration attorney skilled in designing sophisticated tax-sensitive documents that address the important role family and business relationships play in the lives of her clients. Ms. Engleby tailors each estate plan individually, accounting for the complex tax issues and intrafamily matters that can arise when transferring assets from one generation to the next. She counsels clien...

Jeffrey J. Greenbaum, Chair of the Sills Cummis & Gross Class Action Practice Group, is an active litigator and trial attorney in the Federal and State Courts with a specialty in complex business litigation and in defending class action litigation. He has handled cases of national prominence, chaired the ABA Section of Litigation Class Actions and Derivative Suits Committee and is a frequent lecturer in the class action field. He has handled numerous matters involving securities, RICO and...

Christine I. Gannon has a diverse practice, across a wide range of complex commercial litigation matters. She regularly counsels clients on strategies to avoid litigation and minimize litigation risk, and has successfully assisted some of the country’s largest and most respected companies in all stages of litigation— in both federal and state courts — involving intellectual property infringement, trade secrets, trademarks, trade dress, unfair competition, product liability, ...

John Lloyd has 30 years of experience in all aspects of real property taxation including counseling, litigation and legislation. John represents taxpayers, municipalities, and related interest groups on real property taxation matters. He has thirty-two reported decisions, three of which were argued before the New Jersey Supreme Court. John has handled matters for all types of real property including regional shopping malls, four-star hotels, corporate headquarters, office buildings, multi-fam...

Mounting an aggressive defense against criminal charges of all kinds in New Jersey’s municipal, Superior and federal courts is the sole focus of the Law Office of Blair R. Zwillman. For more than 40 years, Blair Zwillman has devoted his legal career to the criminal justice system as both a prosecutor and a defense attorney. He represents both adults and juveniles and is committed to achieving the most favorable outcome possible in every case by conducting meticulous, detail-oriented inv...

Kaitlyn E. Stone is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Kaitlyn E., who practices law in Morristown, New Jersey, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kaitlyn E. is held by other top lawyers in the same geographic and legal practice area.

Ahmed J. Kassim is a Member in the Sills Cummis & Gross Litigation Department. Mr. Kassim is a skilled trial lawyer and appellate advocate who handles high-stakes product liability and complex commercial disputes in courts around the country. Mr. Kassim represents some of the world’s best-known companies across an array of industries, including pharmaceuticals, medical devices, consumer products, telecommunications, insurance, banking, and retail. Clients value his ability to zealou...

Frederic M. Tudor, a Member of the Sills Cummis & Gross Corporate Department, serves as outside general counsel to a wide range of companies – from startups to established companies – providing guidance and assistance on general corporate, intellectual property/technology and financing matters. He focuses on counseling technology and other companies with respect to their international business operations and transactions, including negotiating and drafting complex SaaS, licens...

Lawrence S. Lustberg chairs the Gibbons Criminal Defense Department and is a longtime Director of the firm’s John J. Gibbons Fellowship in Public Interest & Constitutional Law, which litigates historic, cutting-edge civil rights and civil liberties cases. A magna cum laude graduate of Harvard College (1979) and cum laude graduate of Harvard Law School (1983), as well as recipient of the International Graduate School Fellowship at the University of Stockholm (1980), Mr. Lustberg cler...