Matthew D. Whitworth

R. Kent Hornbrook is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Health Care and Medical Malpractice Law - Defendants. R. Kent, 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 R. Kent 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...

Area of Emphasis Kevin Douglass is a shareholder in the Firm’s Litigation, Energy and Natural Resources, and Emerging Technologies groups. Mr. Douglass currently serves as chair of the Firm’s Litigation Group. He is a complex commercial litigator with significant trial experience in a variety of forums including federal, state and bankruptcy courts and private arbitrations. In addition, he is a certified mediator and has served as an arbitrator in commercial and oil and gas disput...

Erin Gibson Allen is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Erin Gibson, 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 Erin Gibson 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.

Efrem M. Grail is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Efrem M., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2008. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Efrem M. is held by other top lawyers in the same geographic and legal practice area.

J. Lawson Johnston is a top attorney recognized by Best Lawyers in the practice area(s) of Railroad Law and Workers' Compensation Law - Employers. J. Lawson, who practices law in Pittsburgh, Pennsylvania, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which J. Lawson is held by other top lawyers in the same geographic and legal practice area.

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.

Lisa Smith Presta is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Defendants. Lisa Smith, who practices law in Erie, Pennsylvania, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lisa Smith 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...