PlainAttorney Register file of Sep 29, 2026 · NY Office of Court Administration, via data.ny.gov

Sullivan & Cromwell LLP

A law firm on the New York attorney register · most who list it give an office in New York

On the register
763
Registered, current or due
731
Admitted
1952 to 2026

763 attorneys on the New York register file of Sep 29, 2026 list Sullivan & Cromwell LLP as their employer; 731 (96%) are registered (currently, or due to re‑register), against 87.1% of all living registrants. They were admitted between 1952 and 2026 (median 2019), and 618 give an office in New York.

When its attorneys were admitted

Sullivan & Cromwell LLP: share by decade of admission, against every living registrant <1%1950s1%1960s3%1970s7%1980s8%1990s13%2000s19%2010s49%2020s
Sullivan & Cromwell LLP: share by decade of admission, against every living registrant <1%1950s1%1960s3%1970s7%1980s8%1990s13%2000s19%2010s49%2020s
Sullivan & Cromwell LLP: share by decade of admission, against every living registrant <1%1950s1%3%1970s7%8%1990s13%19%49%2020s
Sullivan & Cromwell LLP: share by decade of admission, against every living registrant <1%1950s1%1960s3%1970s7%1980s8%1990s13%2000s19%2010s49%2020s
Share of attorneys who list Sullivan & Cromwell LLP admitted in each decade (columns) against every living registrant (dashed); register file of Sep 29, 2026.
DecadeThis firmEvery living registrant
1950s<1%<1%
1960s1%2%
1970s3%6%
1980s7%13%
1990s8%17%
2000s13%22%
2010s19%24%
2020s49%15%

Source: NY Office of Court Administration, attorney registration file (data.ny.gov, dataset eqw2-r5nb), downloaded Sep 29, 2026; employer spellings merged (methodology).

Where they studied

Law schoolAttorneys
Columbia Law School124
Harvard Law School114
New York University School of Law62
Yale Law School40
University of Virginia School of Law29
University of Pennsylvania Carey Law School29

Source: NY Office of Court Administration, attorney registration file (data.ny.gov, dataset eqw2-r5nb), downloaded Sep 29, 2026; school spellings matched.

Where its attorneys have their office

OfficeAttorneys
New York, NY618
Washington, DC49
London32
Hong Kong14
Palo Alto, CA8
Los Angeles, CA7

Attorneys who list Sullivan & Cromwell LLP on the register, page 32 of 39

Currently registered attorneys first, most recently admitted first.

AttorneyAdmittedStatus
Richard Howard Klapper1981Currently registered
Mark F. Rosenberg1981Currently registered
Garrard Russ Beeney1980Currently registered
John Townsend Bostelman1980Currently registered
Robert E. Buckholz1980Currently registered
James Calvin Morphy1980Currently registered
Andrew S. Rowen1980Currently registered
Andrew Dimitri Soussloff1980Currently registered
Rosita Cheung1979Currently registered
William Arthur Plapinger1979Currently registered
Michael Martin Wiseman1979Currently registered
Jeffrey Francis Browne1978Currently registered
Frank Hindman Golay1978Currently registered
Robinson Burrell Lacy1978Currently registered
Yvonne S. Quinn1978Currently registered
Kenneth Mark Raisler1977Currently registered
John Ellwood Baumgardner1976Currently registered
William Moffit Dallas1975Currently registered
David B. Tulchin1974Currently registered
Donald Charles Walkovik1974Currently registered

Source: NY Office of Court Administration, attorney registration file (data.ny.gov, dataset eqw2-r5nb), downloaded Sep 29, 2026.

Looking for a lawyer for a matter?

The register lists who is admitted and where their office is, not what kind of law anyone practises, so this page cannot suggest a lawyer for a problem. The New York State Bar Association’s Lawyer Referral Service matches people with lawyers by area of law; once you have a name, its record here shows whether the lawyer is registered.