William G. McGuinness

RoseAnn C. Branda is an Executive Partner and Director of the Family and Matrimonial Law department at Abrams Fensterman, LLP. Ms. Branda’s professional focus and concentration encompasses all areas of matrimonial and family law. She is an experienced and skilled lawyer in both settlement negotiation and, where necessary, aggressive trial litigation. Her expertise in family law assists her clients in resolving their personal and sensitive matters with grace and dignity. She is passionat...

Gregg Gilman, co-chair of the Labor + Employment Practice Group, advises businesses on all facets of labor and employment law. Representing businesses in the marketing and communications, hospitality, financial services, real estate and construction industries, among others, he solves immediate issues and establishes preventive measures to help minimize his clients’ future liability. Gregg’s well-drafted employment and executive compensation agreements help businesses retain and i...

Scott Wilcox is a lawyer recognized by Best Lawyers in the practice area of Entertainment Law - Theater. Scott practices law in New York, New York Best Lawyers has recognized Scott Wilcox 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 Scott Wilcox is held by other lawyers.

Marc S. Moller is a lawyer recognized by Best Lawyers in the practice areas of Mass Tort Litigation / Class Actions - Plaintiffs and Personal Injury Litigation - Plaintiffs. Marc S. practices law in New York, New York Best Lawyers has recognized Marc S. Moller 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 Marc S. Moller is held by other lawyers.

Donald Sonnenborn is co-chair of the firm’s Real Estate Practice Group. He advises major U.S. developers as well as landlords and lessees on office, commercial and retail properties, from acquisition, finance, management and leasing through disposition. With clients that include some of the largest commercial landlords, property owners, best-known developers, national and international retailers, and financial services companies, Donald excels at negotiating large-scale leases for both ...

Sheldon E. Green M.D., J.D. is a lawyer recognized by Best Lawyers in the practice area of Personal Injury Litigation - Plaintiffs. Sheldon E. practices law in Flushing, New York Best Lawyers has recognized Sheldon E. Green M.D., J.D. since 2026. 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 E. Green M.D., J.D. is held by other lawyers.

Glenn Newman is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Glenn practices law in New York, New York Best Lawyers has recognized Glenn Newman since 2026. 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 Glenn Newman is held by other lawyers.

Stephen Younger, Past President of the New York State Bar Association, is a leading commercial litigator who is also well-known for his alternative dispute resolution work. Having been with Patterson Belknap since 1985, Mr. Younger has more than 30 years of experience as a commercial litigator. As a seasoned trial lawyer, he has tried many cases in federal and state court and before arbitration panels. He also frequently argues appeals, particularly in the appellate courts of New York. Based ...

Jay Holtmeier co-leads WilmerHale’s Foreign Corrupt Practices Act (FCPA) and Anti-Corruption Group and is a member of the firm’s White Collar Defense and Investigations Practice. He represents institutions and individuals in complex government and internal investigations and matters of corporate governance and compliance. He has particular experience in matters involving the FCPA, and he also is well versed in issues related to environmental, social and corporate governance (ESG) ...

Simeon H. Baum, President of Resolve Mediation Services, Inc. (www.mediators.com), has successfully mediated over 2,000 disputes. He has been active since 1992 as a neutral in dispute resolution, assuming the roles of mediator, neutral evaluator and arbitrator in a variety of cases, including the highly publicized mediation of the Studio Daniel Libeskind-Silverstein Properties dispute over architectural fees relating to the redevelopment of the World Trade Center site, Trump’s $ 1 billi...