JZ
Joseph Mark Zenruffinen
Joseph Mark Zenruffinen is a lawyer in New York, NY who works for Sidley Austin LLP. Practice areas include Finance. Licensed in Texas since 2022. Graduated from Fordham University in 2013.
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Law school
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Office
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JZ
Joseph Mark Zenruffinen
Sidley Austin LLPNew York, NY·4 years licensed
Claim profileContact attorney
Joseph Mark Zenruffinen is a lawyer in New York, NY who works for Sidley Austin LLP. Practice areas include Finance. Licensed in Texas since 2022. Graduated from Fordham University in 2013.
Law school
Fordham University
Class of 2013
Bar admission
2022
State Bar of TX · No. 24129626
Office
787 Seventh Ave, Sidley Austin LLP
New York, NY 10019
Disciplinary
None on record
Clean since admission
Career history
2 observed firms
Based on State Bar of Texas snapshots — each row is a firm the attorney was registered with at one of our quarterly pulls.
- Sidley Austin LLPAS OF MAY 2023Private Law Practice · Dallas, TX
- Sidley Austin LLPAPR 2026 — PRESENTPrivate Law Practice · New York, NY
Case data
Case data
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Practice & jurisdiction
Practice areas
- Finance
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Last refreshed Jun 2026