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Mary Jo Gilsdorf

Practitioner Mediator

“Construction & Commercial Mediator | Arbitrator”

PennsylvaniaRemote available
12+Years Exp
170Cases Resolved
7500%Settlement Rate

Core Practice Areas

7 Verticals
✓Commercial Contracts
✓Partnership Dissolution
✓Personal Injury Claims
✓Real Estate Transactions
✓Construction Disputes
✓Landlord-Tenant Disputes
✓Foreclosure Mediation
✓Certified Neutral
✓Court-Approved ADR

About & Mediation Philosophy

Neutral Profile

Since 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 Verifications

License

Attorney

Education

Villanova Law School

JD · Law

Class of 1989

University of Delaware

Bachelor of Fine Arts · Fine Arts

Class of 1980

Work History

2 Positions

Mediator & 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 Honors

Inductee

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 Schedule

Standard rates. Contact for custom arrangements.

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