Diana Y. Defino

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

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

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

Ronald J. Brown is a top attorney recognized by Best Lawyers in the practice area(s) of Municipal Law. Ronald J., 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 Ronald J. is held by other top lawyers in the same geographic and legal practice area.

Armand Leonelli is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Armand, 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 Armand is held by other top lawyers in the same geographic and legal practice area.

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...

Area of Emphasis Sean Keegan is senior counsel in the Litigation and Employment and Labor groups of Babst Calland. Mr. Keegan has a broad range of litigation experience in several practice areas including commercial, labor and employment, energy, and maritime. He has experience defending shareholder dispute claims, oil and gas lease disputes, insurance claims, and premises liability claims. Mr. Keegan has represented clients in both state and federal courts throughout the United States. Backg...

Jeffrey A. Mills is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Jeffrey A., 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 Jeffrey 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.

A business litigator and environmental lawyer, Anthony has represented business clients in significant cases presenting issues involving unfair competition, corporate governance, Sherman and Clayton Act violations, breach of fiduciary duty, fraudulent conveyance, securities fraud, trademark protection, insurance coverage, construction litigation, legal malpractice, commercial real estate, and contract matters. He also has acted as outside general counsel to a publicly-held real estate develop...