David G. Oberdick

Irv currently serves as the firm's Managing Shareholder. He concentrates his practice on land use, zoning , and real estate litigation. Prior to joining Tucker Arensberg, he served as in-house counsel to the Housing Authority of the City of Pittsburgh. He has represented land owners and developers before planning commissions, zoning hearing boards, governing bodies, administrative agencies, and the Court of Common Pleas. In addition, Irv serves as counsel to numerous food service and restaura...

John T. Vogel is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. John T., 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 John T. is held by other top lawyers in the same geographic and legal practice area.

Samuel H. Simon is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Samuel H., 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 Samuel H. is held by other top lawyers in the same geographic and legal practice area.

Brian E. McKinley is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Brian E., 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 Brian E. is held by other top lawyers in the same geographic and legal practice area.

Area of Emphasis Gary Steinbauer is a shareholder in the Environmental Group of Babst Calland. Mr. Steinbauer advises clients on a wide variety of matters arising under major federal and state environmental regulatory programs. He provides strategic advice on permitting matters, day-to-day compliance needs, government investigations, and enforcement actions. Mr. Steinbauer regularly works with companies in the chemical, mining, metals, oil and gas, petroleum refining, power generation and dis...

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...

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...

Attorney Cynthia Danel has an AV® Preeminent™ rating from Martindale-Hubbell, the highest possible rating based on legal ability and general ethical standards. She was selected as a 2018 Woman Leader in The Law, based on The Martindale AV Rating system. She made the list of Pennsylvania Super Lawyers®, an honor awarded to the top five percent of state-wide lawyers, from 2005-2019. Attorney Danel has also been honored on the Super Lawyers list of Top 50 Women Attorneys in Pennsyl...

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.

Area of Emphasis Chip Babst is Chairman of the Firm and is a member of the Environmental and Energy and Natural Resources groups. Mr. Babst has more than 40 years of experience in providing counsel on environmental matters to both private and public clients. Mr. Babst is a nationally-recognized authority on Clean Air Act issues and has handled complex permitting and compliance issues at federal, state and local levels throughout the United States. His experience in dealing with federal and st...