Core Practice Areas
7 VerticalsAbout & Mediation Philosophy
Neutral ProfileSince beginning an ADR Practice in 2014, Mary Jo Gilsdorf has served as an Arbitrator in nearly 200 matters and as a Mediator resolving more than 180 matters primarily involving construction law. With over 15 years of varied, hands-on construction industry experience in the preparation, presentation and resolution of claims through informal negotiation processes and alternative dispute resolution proceedings between the various levels of subcontractor, contractor, construction manager, owner and architect parties before beginning her ADR practice, she applies a practical and pragmatic approach to the resolution of claims. Currently serving on several Alternative Dispute Resolution Panels as an Arbitrator and Mediator handling matters involving construction, breach of contract, real estate, personal injury, business dissolution, legal fees, landlord-tenant, mortgage foreclosure, consumer, and other commercial disputes. Additional extensive experience with complex contract negotiations, real estate transactions, insurance coverage, third party bodily injury claims, commercial litigation, pipeline royalty claims, consumer claims and environmental law.
Credentials & Institutional Standing
Primary VerificationsLicense
Education
Villanova Law School
JD · Law
Class of 1989
University of Delaware
Bachelor of Fine Arts · Fine Arts
Class of 1980
Work History
2 PositionsMediator & Arbitrator
Gilsdorf Law, LLC
2014 – Present
Served as an Arbitrator in nearly 200 matters and as a Mediator resolving more than 180 matters primarily involving construction law.
In-House Counsel
Regional Construction Management Firm
Analyzed cost entitlement and valuation issues and assumed the sole in-house counsel role. Prepared, navigated, negotiated, and resolved claims with subcontractors, owners and design professionals.
Honors & Recognition
4 HonorsInductee
National Academy of Distinguished Neutrals
2025
Super Lawyers - Alternative Dispute Resolution
Pennsylvania Super Lawyers
2025
2019-2025
Top Lawyers - Alternative Dispute Resolution
Mainline Today
2025
2018-2025
AV Preeminent Rating
Martindale-Hubbell
2025
2018-2025
Fees & Availability
Rate ScheduleStandard rates. Contact for custom arrangements.
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