Patrick Costello

Patrick Costello: Email & Phone Number

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Partner at Horn Williamson & Collins|Greater Philadelphia, United States

Position:

Partner at Horn Williamson & Collins

Location:

Greater Philadelphia, United States

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Last updated: 2026-06-16
Updated: 2026-06-16

Found email addresses for Patrick Costello:

Business emails:
p******l@klehr.com,
p*******o@daileyllp.com
Personal emails:

Found phone for Patrick Costello:

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Work Experience 24 years

Partner at Horn Williamson & Collins

May 2025 - Current

Partner at Horn Williamson & Collins

May 2025 - Current

Attorney at Dailey LLP

Jan 2020 - Jun 2025

Attorney-at-Law at Venzie, Phillips & Warshawer, P.C.

Jan 2007 - Dec 2019

Attorney-at-Law at Klehr Harrison Harvey Branzburg LLP

Jan 2004 - Jan 2007

Judicial Law Clerk at Judge Jan R. Jurden, Delaware Superior Court

Jan 2003 - Jan 2004

Judicial Law Clerk at Judge Harold A. Thomson, Jr., Court of Common Pleas, Pike Co. Pennsylvania

Jan 2002 - Jan 2003

Patrick Costello started working in 2002, then the employee has changed 5 companies and 3 jobs. On average, Patrick Costello works for one company for 3 years 8 months.

Their professional focus is Appeals, Arbitration, and Bankruptcy across 3 core areas.

Education

J.D. at Pennsylvania State University, The Dickinson School of Law

B.A. History at Bucknell University

Bachelor of Arts - BA at Bucknell University

Wyoming Seminary College Preparatory School

Patrick Costello Namesakes

Name
Company
Position
Patrick Costello
Associate
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Patrick Costello
Principal
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Patrick Costello
Supervisor
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