Wei Yu

Jennifer B. Hirneisen is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Jennifer B., who practices law in Erie, Pennsylvania, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer B. 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...

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...

Sheri L. Giger is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Sheri L., 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 Sheri L. is held by other top lawyers in the same geographic and legal practice area.

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.

Candice L. Komar’s legal career spans nearly four decades as a prominent practitioner recognized equally for excellence in litigation and alternative dispute skills. Incorporating her affinity for business and her understanding of the sensitivity surrounding marital break down, Pittsburgh family lawyer Candice L. Komar is a skilled and formidable opponent in the courtroom who also shines in the alternative dispute arena as a collaborative lawyer, mediator and arbitrator. Candice provide...

John W. Lewis II is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Governance Law and Mergers and Acquisitions Law. John W., 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 John W. is held by other top lawyers in the same geographic and legal practice area.

Area of Emphasis Alyssa Golfieri is a shareholder in the Real Estate, Land Use and Zoning, and Corporate and Commercial groups of Babst Calland. Ms. Golfieri assists private and public sector clients primarily on land use and real estate transactions and disputes, with a strong emphasis on zoning, subdivision, and land development. Ms. Golfieri advises and represents private sector clients on a wide array of land use and real estate related matters, including acquisitions, leases, easements, ...

Michael A. Cassidy, Esq. Mike is a healthcare lawyer focusing on compliance, credentialing, peer review, reimbursement, contracts, HIT, HIPAA, and telehealth issues for physicians. Health Information Technology (HIT) : Electronic health records, telehealth and telemedicine, and licensing Reimbursement : Medicare and third party payment, managed care contracting, business structures, and joint ventures Compliance : Anti-kickback, Stark, audits, and investigations Credentialing : Medical staff ...

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...