John Costello
Attorney at Potter Burnett Law | Washington DC-Baltimore Area
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Attorney at Potter Burnett Law in February 2021 to Present
Attorney at Costello & Edwards, LLC in March 2016 to February 2021
Assistant State's Attorney at Montgomery County State's Attorney's Office in July 2011 to March 2016
Law Clerk for the Honorable Terrence J. McGann at Circuit Court for Montgomery County, Maryland in August 2010 to July 2011
Law Clerk at Ethridge Quinn Kemp McCauliffe Rowan & Hartinger in June 2008 to August 2009
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American University Washington College of Law, Juris Doctor (J.D.), January 2007 to January 2010
University of Delaware, Bachelor’s Degree, January 2000 to January 2004
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Discover more about Potter Burnett LawWhat is John Costello email address?
Email John Costello at [email protected], [email protected], [email protected], [email protected] and [email protected]. This email is the most updated John Costello's email found in 2026.
What is John Costello phone number?
John Costello phone number is 8082248950, 4435670836 and 3012292980.
How to contact John Costello?
To contact John Costello send an email to [email protected], [email protected], [email protected], [email protected] or [email protected]. If you want to call John Costello try calling on 8082248950, 4435670836 and 3012292980.
What company does John Costello work for?
John Costello works for Potter Burnett Law
What is John Costello's role at Potter Burnett Law?
John Costello is Attorney
What industry does John Costello work in?
John Costello works in the Law Practice industry.
John Costello Email Addresses
John Costello Phone Numbers
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