Mark W. Tanner
Description
Mark W. Tanner – Personal Injury & Mass Tort Attorney | Philadelphia, PA
Recognized in Best Lawyers® since 2013
Practice Areas: Mass Tort Litigation / Class Actions – Plaintiffs, Medical Malpractice Law – Plaintiffs, Personal Injury Litigation – Plaintiffs
About Mark W. Tanner
Mark W. Tanner is a leading Philadelphia personal injury and mass tort attorney, representing clients in cases of medical negligence, insurance bad faith, civil rights claims, and class action litigation. With extensive trial experience, he has successfully secured some of the largest verdicts in Pennsylvania, including a $22.4 million verdict for a negligently executed spine surgery case and a $7.9 million verdict against an insurance company for bad faith.
Career & Expertise
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Appointed liaison counsel in mass tort litigation at both state and federal levels.
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Handles complex personal injury, medical malpractice, and insurance litigation throughout Pennsylvania and across the U.S.
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Recognized as one of the Top 10 Super Lawyers in Pennsylvania for seven consecutive years by Thomson Reuters.
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Former President of The Philadelphia Trial Lawyers Association (2007–2008) and recipient of its President’s Award (2005).
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Named Top 100 Trial Attorney by The National Trial Lawyers (Civil Plaintiff category).
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Fellow of the International Academy of Trial Lawyers, membership limited to 500 attorneys worldwide.
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Frequent lecturer and instructor in trial advocacy and legal education programs, including invited lectures in London.
Community Involvement
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Active pro bono advocate, representing underprivileged and neglected children as a child advocate with the Support Center for Child Advocates.
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Serves on the board of directors for the nonprofit and participates in numerous community-focused initiatives.
Education
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J.D., Temple University Beasley School of Law, cum laude, 1990
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B.A. in English Literature, College of the Holy Cross
Court Admissions
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Pennsylvania State Courts
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U.S. District Court – Eastern District of Pennsylvania, Middle District of Pennsylvania
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U.S. Court of Appeals – Third Circuit
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Supreme Court of the United States
Firm & Contact
Feldman Shepherd Wohlgelernter Tanner Weinstock & Dodig LLP
1845 Walnut Street, 21st Floor, Philadelphia, PA 19103
Phone: 267-550-5822
Awards & Recognition
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Best Lawyers in America® (2013–Present)
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Top 10 Super Lawyers – Pennsylvania, Thomson Reuters (seven consecutive years)
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Top 100 Trial Lawyers – National Trial Lawyers
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Fellow of the International Academy of Trial Lawyers
Highlights Quick
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Specializes in medical malpractice, personal injury, and mass tort litigation.
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Secured multi-million-dollar verdicts, including some of the largest in Pennsylvania history.
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Appointed liaison counsel in complex state and federal mass tort cases.
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Active pro bono advocate for underprivileged children and community initiatives.
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Experienced trial attorney, lecturer, and legal educator, nationally and internationally.
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Recognized in Best Lawyers in America® since 2019.
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Skilled in trial preparation, negotiation, and class action litigation.
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Dedicated to client advocacy, transparency, and achieving favorable outcomes.
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Holds a J.D. from the University of South Carolina and a B.S. from Florida State University.
Whitman B. “Whit” Johnson III
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Specializes in medical malpractice defense for physicians, hospitals, and healthcare providers.
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Named Best Lawyers® “Lawyer of the Year” multiple times for Medical Malpractice Law – Defendants.
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Published author and frequent speaker on risk management and litigation in healthcare.
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Over 25 years of experience in complex healthcare and pharmaceutical litigation.
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Actively involved in the local community and professional medical associations.

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