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J. Allen Mastantuno


Allen Mastantuno was born and raised in Charleston, SC. He graduated from the College of Charleston (B.A., 2003) and from the University of South Carolina School of Law (J.D., 2007).

After graduating from law school, he clerked for the Federal Public Defender’s Office in Charleston, SC gaining valuable experience in the Federal criminal system. From 2008 to 2010, Allen worked as a prosecutor for South Carolina’s Ninth Judicial Circuit which includes Charleston & Berkeley County.

He became the lead DUI prosecutor in the Berkeley County office and handled over 100 DUI cases ranging from DUI 1st Offense to Felony DUI Involving Death. As a prosecutor, he was extremely active in the courtroom, trying difficult and lengthy cases including such serious offenses as Armed Robbery and Burglary. While earning his reputation as a hard fighting trial attorney, he also assisted with and prosecuted hundreds of other cases ranging from Murder to traffic violations.


171 Church Street, Suite 160
Charleston , South Carolina , 29401
United States

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