David Simon

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David M. Simon is a former prosecutor with a track record of success across various practice areas and jurisdictions. David started his legal career at the Philadelphia District Attorney’s Office where he served in the appeals, municipal court, and juvenile court units as well as the Northeast Division Bureau. While there, he tried dozens of major felony jury trials and handled over 100 appellate matters. He later founded a solo criminal defense practice that maintained cases across trial, appellate, and post-conviction stages in the Greater Philadelphia/South Jersey corridor. In 2020, he put his love of writing to work by founding Sullivan|Simon to assist other criminal and civil litigators with writing and research projects. He ghostwrites appellate and trial-level briefs for matters in federal and state courts nationwide. David is an active member of the New Jersey and Camden County Bar Associations, the Association of Criminal Defense Attorneys of New Jersey, and the Pennsylvania Association of Criminal Defense Lawyers. David volunteers with South Jersey Legal Services helping indigent individuals with expungements.

David was born and raised in Seattle and earned his undergraduate degree from University of Wisconsin-Madison. He worked as a daily news editor for The Daily World in Aberdeen, Washington (the birthplace of Kurt Cobain) and then as a paralegal at Cahill, Gordon & Reindel in New York City before going to law school. David earned his J.D. from Seton Hall Law School, where he was on the Legislative Journal staff.