DirectoryNew YorkMark William HaldermanLast refreshed Jun 2026
MH
BAR · 24077403

Mark William Halderman

Villegas & Cefo, LLP·New York, NY·14 years licensed

Mark William Halderman is a lawyer in New York, NY who works for Villegas & Cefo, LLP. Licensed in Texas since 2011. Graduated from Penn State Dickinson School of Law in 2009.

60 TOTAL VIEWS
3 VIEWS (30D)
Contact attorney
Law school
Class of 2009
Bar admission
2011
State Bar of TX
Office
1350 Avenue Of The Americas Fl 2
New York, NY
Disciplinary
None on record
Clean since admission
Reviews
No reviews yet
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MH

Mark William Halderman

Villegas & Cefo, LLP
BAR · 24077403
New York, NY·14 years licensed
Contact attorney

Mark William Halderman is a lawyer in New York, NY who works for Villegas & Cefo, LLP. Licensed in Texas since 2011. Graduated from Penn State Dickinson School of Law in 2009.

Law school
Bar admission
2011
State Bar of TX
Office
1350 Avenue Of The Americas Fl 2
New York, NY
Disciplinary
None on record
Clean since admission
Reviews
No reviews yet
No scored reviews
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.

  1. Armstrong Teasdale LLPAS OF MAY 2023
    Private Law Practice · Philadelphia, PA
  2. Villegas & Cefo, LLPAPR 2026 — PRESENT
    Private Law Practice · New York, NY
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