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

Sidley Austin LLP

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

On the register
800
Registered, current or due
765
Admitted
1966 to 2026

800 attorneys on the New York register file of Sep 29, 2026 list Sidley Austin LLP as their employer; 765 (96%) are registered (currently, or due to re‑register), against 87.1% of all living registrants. They were admitted between 1966 and 2026 (median 2016), and 533 give an office in New York.

When its attorneys were admitted

Sidley Austin LLP: share by decade of admission, against every living registrant <1%1960s1%1970s4%1980s9%1990s19%2000s30%2010s37%2020s
Sidley Austin LLP: share by decade of admission, against every living registrant <1%1960s1%1970s4%1980s9%1990s19%2000s30%2010s37%2020s
Sidley Austin LLP: share by decade of admission, against every living registrant <1%1960s1%1970s4%1980s9%1990s19%2000s30%2010s37%2020s
Share of attorneys who list Sidley Austin LLP admitted in each decade (columns) against every living registrant (dashed); register file of Sep 29, 2026.
DecadeThis firmEvery living registrant
1960s<1%2%
1970s1%6%
1980s4%13%
1990s9%17%
2000s19%22%
2010s30%24%
2020s37%15%

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

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

Attorneys who list Sidley Austin LLP on the register, page 6 of 40

Currently registered attorneys first, most recently admitted first.

AttorneyAdmittedStatus
Ryland McKenzie Ploeger2025Currently registered
Stephan Nicholas Popa2025Currently registered
Thomas Patrick Arthur David Power2025Currently registered
Taylor Nicole Randleman2025Currently registered
Victoria Reznik2025Currently registered
Daniel Robert Russo2025Currently registered
Kara Madeline Ryczek2025Currently registered
John Patrick Shaw2025Currently registered
Ashka Sheth2025Currently registered
Samayra Wilma Sardari Siddiqui2025Currently registered
Joel Philip Sontag2025Currently registered
Yarissa Subervi2025Currently registered
Martha Tabor2025Currently registered
Teresa Ann Tintaya2025Currently registered
Gabriel Luis Valdes2025Currently registered
Connor Patrick Wise2025Currently registered
Yang Xiao2025Currently registered
Haiqing Zhang2025Currently registered
Mengquan Zheng2025Currently registered
Asher James Zlotnik2025Currently 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.