David J. Kalson

Area of Emphasis Kevin Garber is a shareholder in the Environmental and Energy and Natural Resources groups of Babst Calland, practicing out of the firm’s Pittsburgh and State College offices. Mr. Garber concentrates much of his practice in the areas of natural resources law and water law. He represents mining and oil and gas companies in the conventional and unconventional industries on a broad range of environmental issues including permitting, water supply and treatment, and resource...

Area of Emphasis Frank Clements is a founding shareholder of Babst Calland. Mr. Clements is experienced in a variety of corporate, finance and commercial transactions. He has a strong background in energy and environmental law. His practice is focused on business transaction work, particularly the acquisition and disposition of businesses and the formation of joint ventures, predominately in the industrial sector. In addition to his M&A practice, Mr. Clements has structured and negotiated...

Mariah L. Passarelli is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management and Litigation - Labor and Employment. Mariah L. practices law in Pittsburgh, Pennsylvania Best Lawyers has recognized Mariah L. Passarelli since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Mariah L. Passarelli is held by other lawyers.

Bob is a senior Shareholder with Dentons Cohen & Grigsby in Pittsburgh, where he previously served as the Chair of the Firm’s 45+ lawyer Litigation Group for five years. Bob is a graduate of Brown University and Columbia University’s School of Law and focuses his practice on complex commercial litigation, banking and lender liability litigation, non-compete/trade secret issues, intellectual property and employment law. He is licensed in both Pennsylvania and California and has...

Jeffrey J. Wetzel is a lawyer recognized by Best Lawyers in the practice area of Medical Malpractice Law - Defendants. Jeffrey J. practices law in Pittsburgh, Pennsylvania Best Lawyers has recognized Jeffrey J. Wetzel since 2019. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jeffrey J. Wetzel is held by other lawyers.

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...

Area of Emphasis Harley Stone is of counsel in Babst Calland’s Public Sector and Energy and Natural Resources groups. He provides a wide range of services to municipal governments, authorities, and private developers, with an emphasis on municipal permitting, planning, land use, and zoning. A seasoned trial lawyer, Mr. Stone has many years of experience as a litigator in the areas of municipal law, employment law, eminent domain, and tax assessment appeals. Mr. Stone has represented pub...

Area of Emphasis Lisa Bruderly is a shareholder and past chair of the Environmental Group of Babst Calland. She is also a member of the Firm’s Energy and Natural Resources Group. Ms. Bruderly primarily focuses on regulatory issues associated with water resources, wastewater/stormwater management, compliance auditing, site assessments and remediation, including state voluntary remediation programs. As a former environmental consultant and environmental auditor for a large natural gas tra...

Alex Thomson is chair of Houston Harbaugh's Business Law Practice group. He serves as outside general counsel to a wide range of businesses from start-ups to large multi-nationals and represents clients in a diverse set of industries from software to international consulting to steel manufacturing. He also represents non-profit organizations such as foundations and churches as well as professional service businesses such as medical, dental and veterinary practices, and accounting and law firm...

David Garraux is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management and Litigation - Labor and Employment. David practices law in Pittsburgh, Pennsylvania Best Lawyers has recognized David Garraux since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which David Garraux is held by other lawyers.