Esquire
Mark A. Sereni
The Law Firm Of DiOrio & Sereni, LLPMedia, PA
35+ Years Experience
Licensed in 2 States
About Mark
Mark has been practicing law for more than 35 years, concentrating in civil litigation, medical malpractice, serious personal injury, employment law, commercial litigation, defamation, libel and slander, and school and municipal law. He is also the founder of Jury-FocusedSM.
Licensed States
Education
JD
University of Pennsylvania School of Law
BA
St. Joseph’s University
Awards & Recognition
Delaware County Top Lawyer/Best Lawyer
medical malpractice · 2025
Pennsylvania Super Lawyers
2025
Top 100 Civil Plaintiff Trial Lawyers in Pennsylvania
2025
Top Lawyers
2025
Delaware County Top Lawyer/Best Lawyer
medical malpractice · 2024
Professional Associations
President, Delaware County Trial Lawyers AssociationSolicitor, Marple Newtown School DistrictSolicitor, Springfield School DistrictMember, The National Trial LawyersMember, Guy G. DeFuria American Inn of Court of Delaware CountyMember, Pennsylvania Association for JusticeMember, American Association for JusticeMember, Delaware County Bar AssociationMember, Pennsylvania Bar AssociationMember, American Bar AssociationMember, Pennsylvania School Boards AssociationMember, National School Boards AssociationSpecial Counsel, Delaware County School DistrictsMember, NELA, The National Employment Lawyers AssociationMember, The Eastern Pennsylvania Chapter of the National Employment Lawyers AssociationVolunteer Member, Concord Township Public Safety Advisory CommitteeSolicitor, Concord TownwatchMarple Newtown School District Sponsor-A-Scholar ProgramBig Brothers/Big Sisters Mentoring ProgramSt. Joseph’s University Mentoring ProgramUniversity of Pennsylvania Law School Mentoring ProgramAssociation of Trial Lawyers of America Mentoring ProgramLawyer/Doctor Education Team Partnership Against Drug and Alcohol AbuseSpeaker’s Bureau, Delaware County Bar AssociationDirector and Treasurer, Garnet Valley Woods Community Association Executive Board
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