Vincent J. "Vince" Quatrini, Jr.

Howard A. Chajson is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Defendants. Howard A., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Howard A. is held by other top lawyers in the same geographic and legal practice area.

Area of Emphasis Peter Schnore helps his clients resolve real estate-related disputes including real estate tax-assessment appeals, eminent domain proceedings, and Pennsylvania real estate broker’s fee disputes, planned community, condominium, boundary and title disputes. Mr. Schnore also negotiates real estate leases, easements, and related agreements. One area of concentration in Mr. Schnore’s practice is real property tax assessment appeals. He represents commercial and industr...

Thomas is co-chair of the firm's Labor & Employment Department and concentrates his practice on representing management in many aspects of labor, employment, and employment-related litigation. Tom’s traditional labor practice includes representing employers during union organizing campaigns, collective bargaining, and grievance arbitrations. He has represented employers in litigation involving race, sex, sexual harassment, age and disability discrimination, and against claims allegi...

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...

Mariah L. Passarelli is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Mariah L., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mariah L. is held by other top lawyers in the same geographic and legal practice area.

Patrick Delaney is a Senior Partner at MacDonald Illig. He concentrates his practice in the area of Commercial Litigation. During the course of his career, Mr. Delaney has litigated disputes in the federal and state courts throughout Pennsylvania and in various other jurisdictions. He has also handled numerous complex commercial disputes before arbitration tribunals, including panels convened through the American Arbitration Association and the International Chamber of Commerce. Mr. Delaney h...

James Killeen is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. James, who practices law in Pittsburgh, Pennsylvania, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James is held by other top lawyers in the same geographic and legal practice area.

Kit F. Pettit is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Kit F., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kit F. 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...

John D. Houston II is a founding member of Houston Harbaugh. His practice is focused on healthcare, general corporate matters, and estate planning and wealth preservation.