Official NY OCA attorney registration data · Updated 2026 Methodology Discipline records

Brian Robert Rosenau

Currently registered

Brian Robert Rosenau is an attorney admitted to the New York State Bar in 2006, with a registered practice address in New York, New York. According to the New York Office of Court Administration, the current registration status on record is Currently registered.

Registration number4448833
Bar statusCurrently registered
Year admitted2006
Judicial departmentDepartment 1
Law schoolWilliam & Mary Law School
Practice cityNew York, NY
CountyNew York
Firm / organizationMadison Square Garden Entertainment Corp.
Office address2 Penn Plz Fl 29, New York, NY, 10121
Phone(212) 465-6522
Next registration dueMay 2028

About Madison Square Garden Entertainment Corp.

Madison Square Garden Entertainment Corp., also known as MSG Entertainment, is a publicly traded live entertainment company based in New York City. It runs a portfolio of venues, including Madison Square Garden, the Infosys Theater, Radio City Music Hall, Beacon Theatre and The Chicago Theatre, and it produces the holiday show Christmas Spectacular Starring the Radio City Rockettes. Its business centers on sporting events, concerts, family shows and special events.

Practice areas of Madison Square Garden Entertainment Corp.:

Commercial Litigation Intellectual Property

These are the practice areas the organization describes on its website. They are not a statement about Brian Robert Rosenau’s own practice or any specialty certification.

View the Madison Square Garden Entertainment Corp. profile and its 12 registered attorneys →

Office location

Registered office address on file with the New York State Bar. Verify before visiting, as the address reflects the contact on record and may be a firm rather than a personal office.

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Bar status can change at any time. For the authoritative, real-time status of Brian Robert Rosenau, confirm directly through the official New York Attorney Search using the registration number above. This record is republished from public New York State data and is provided for reference only — it is not legal advice and not an endorsement.

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