Mark R. Sullivan

Henry Sneath specializes in complex business litigation, intellectual property , employment , DTSALaw® trade secrets and restrictive covenant litigation, cybersecurity, data breach and Artificial Intelligence (AI) law, products liability , catastrophic injury, probate, estates and trusts litigation , and insurance coverage and bad faith litigation. He is also a complex case certified mediator and Federal Court Special Master with Houston Harbaugh, P.C. in Pittsburgh, Pennsylvania. He and ...

Jonathan M. Fingeret is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Jonathan M., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jonathan M. is held by other top lawyers in the same geographic and legal practice area.

Litigation Walter’s litigation work has been primarily in the civil area -- commercial disputes of all types, including trade secrets, real estate agreements, products liability, defamation claims, First Amendment access actions, business and employment contracts, non-competition provisions, wrongful termination suits, and discrimination and harassment cases. He has litigated numerous cases in the state and federal courts throughout the United States, including cases in Pennsylvania, Ne...

A seasoned litigator, Dick has argued cases in the United States Supreme Court, Third, Sixth, and Eighth Circuit Courts of Appeals, and the Pennsylvania Supreme, Superior, and Commonwealth Courts. He has successfully handled a variety of complex ERISA cases and has managed civil cases involving employment issues, general commercial transaction claims, trusts & estates , letters of credit, insurance coverage, and workers’ compensation. Dick concentrates his practice in the field of l...

Liberty J. Weyandt is a Partner and Principal Owner of Liberty Mark Law. Liberty guides individuals and families through some of the most consequential transitions of their lives with a practice grounded in experience, judgment, and a deep respect for the people behind the legal issues. Liberty has more than 25 years of experience litigating various family matters in several Pennsylvania counties, including Allegheny, Beaver, Butler and Westmoreland counties. Liberty focuses her practice on f...

Shannon Crew is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Shannon, who practices law in Pittsburgh, Pennsylvania, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Shannon is held by other top lawyers in the same geographic and legal practice area.

Across Pennsylvania, Brian Vertz is viewed as a powerful advocate for his family law clients. For more than 25 years, Brian has zealously represented clients in complex child support cases, high net worth divorces, prenup enforcement cases, difficult custody disputes, and appeals up to the Pennsylvania Supreme Court. With his MBA background and financial training, Brian develops effective strategies for family law cases involving business valuation, executive compensation, double dipping, fam...

Chair of Houston Harbaugh’s Health Law Practice, Jessica works almost exclusively with health care entities and health practitioners. She has extensive experience with: Drafting and negotiating physician employment agreements from both the physician and employer perspectives Negotiating contracts between physicians and hospitals Preparing purchase agreements to govern the sale of medical practices Advising on corporate governance issues, from practice formation to dissolution Developing...

Thomas A. Smock is a top attorney recognized by Best Lawyers in the practice area(s) of Labor Law - Management. Thomas A., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas A. is held by other top lawyers in the same geographic and legal practice area.

Charles G. Brown is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Employers. Charles G., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Charles G. is held by other top lawyers in the same geographic and legal practice area.