Mark A. Mazza

Steven E. Riley, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Plaintiffs, Personal Injury Litigation - Plaintiffs and Professional Malpractice Law - Plaintiffs. Steven E., who practices law in Erie, Pennsylvania, has been recognized since 2008. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steven E. is held by other top lawyers in the same geographic and legal practice area.

Area of Emphasis Matthew Moses is a shareholder in Babst Calland’s Corporate and Commercial Group and is a member of, and past co-chair of, its Energy and Natural Resources Group. Mr. Moses’ practice includes business structuring and governance; mergers, acquisitions and divestitures, particularly dealing with environmentally-challenged assets; real estate transactions and development; information technology; and routine and complex commercial contracts in (among other areas) proc...

Litigation Walter’s litigation work has been primarily in the civil area -- commercial disputes of all types, including trade secrets, real estate agreements, products liability, defamation claims, First Amendment access actions, business and employment contracts, non-competition provisions, wrongful termination suits, and discrimination and harassment cases. He has litigated numerous cases in the state and federal courts throughout the United States, including cases in Pennsylvania, Ne...

Michael J. Sweeney is a top attorney recognized by Best Lawyers in the practice area(s) of Oil and Gas Law and Product Liability Litigation - Defendants. Michael J., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael J. is held by other top lawyers in the same geographic and legal practice area.

Area of Emphasis David White is a shareholder in the Firm’s Construction, Litigation, and Energy and Natural Resources groups. Mr. White’s construction experience includes representing contractors, subcontractors, design engineers and project owners in disputes involving gas pipelines and compressor stations, steel mills, roads, retaining walls, industrial furnaces, airports, shopping centers and retail complexes, underground utilities, hospitals, commercial buildings, schools, an...

Area of Emphasis Rick Wiedman is a shareholder in the Environmental Group of Babst Calland. Mr. Wiedman has concentrated his practice in the areas of environmental business counseling and environmental litigation since 1980. He represents clients before federal and state environmental agencies, counsels clients on regulatory compliance issues, and advises on environmental considerations in a variety of business transactions. He also devotes significant time to the negotiation and prosecution ...

Trusted attorney since 1985 $500+ million in construction and design contracts drafted Defense of EPC Contractor against a $300 million delay claim by a major steel producer Sole Construction Attorney for Children’s Hospital of Pittsburgh for 10 years AAA Arbitrator since 1990, Mediator since 1994 American Bar Association Forum on Construction Law – Governing Committee, Past Chairman of the Contracts Documents Division AIA/Master Builder’s Association Joint Committee, over 2...

Terri Imbarlina Patak is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Terri Imbarlina, who practices law in Pittsburgh, Pennsylvania, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Terri Imbarlina 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.

Robert S. Bernstein is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law and Litigation - Bankruptcy. Robert S., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert S. is held by other top lawyers in the same geographic and legal practice area.