JS
John Joseph Siemietkowski
John Joseph Siemietkowski is a lawyer in New York, NY who works for US Department of Justice; Immigration Court. Practice areas include Immigration. Licensed in Texas since 1996. Graduated from Catholic University of America in 1987.
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John Joseph Siemietkowski
US Department of Justice; Immigration CourtNew York, NY·30 years licensed
Claim profileContact attorney
John Joseph Siemietkowski is a lawyer in New York, NY who works for US Department of Justice; Immigration Court. Practice areas include Immigration. Licensed in Texas since 1996. Graduated from Catholic University of America in 1987.
Law school
Catholic University of America
Class of 1987
Bar admission
1996
State Bar of TX · #795952
Office
26 Federal Plaza, 12th floor
New York, NY 10278
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.
- US Department of Justice; Immigration Co.AS OF APR 2026Full-Time Judge · New York, NY
- US Department of Justice; Immigration CourtAS OF JUN 2026Full-Time Judge · New York, NY
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Case data
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Practice & jurisdiction
Practice areas
- Immigration
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Last refreshed Jun 2026