Diana Y. Defino

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

Jeremy focuses his practice on securities-related transactions and corporate governance, specifically in connection with private capital financings and public offerings, and the organization, funding, and ongoing representation of emerging growth technology companies and venture firms.Jeremy handles the public offerings of securities, representing both issuers and underwriters, and is experienced in the underwritten offerings of equity securities, as well as 144A private placements of high-yi...

Area of Emphasis Gary Steinbauer is a shareholder in the Environmental Group of Babst Calland. Mr. Steinbauer advises clients on a wide variety of matters arising under major federal and state environmental regulatory programs. He provides strategic advice on permitting matters, day-to-day compliance needs, government investigations, and enforcement actions. Mr. Steinbauer regularly works with companies in the chemical, mining, metals, oil and gas, petroleum refining, power generation and dis...

Area of Emphasis Marc Felezzola is a shareholder in Babst Calland’s Litigation and Environmental groups. Mr. Felezzola’s practice focuses on complex construction-related and environmental matters. On the construction side of his practice, Mr. Felezzola serves as outside general counsel for owners, developers, design professionals, and construction companies, and frequently represents them in a variety of commercial and construction-related disputes including construction bid prote...

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 ...

Paul K. Stockman is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Regulatory Law, Environmental Law, Insurance Law and Litigation - Environmental. Paul K., 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 Paul K. is held by other top lawyers in the same geographic and legal practice area.

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

Area of Emphasis Mr. Lucas has been recognized in The Best Lawyers in America ® for Land Use and Zoning and Municipal Law since 2007; Litigation – Land Use and Zoning since 2011; and Energy Law since 2015. He was also named the Best Lawyers ® 2012, 2015, 2017, 2020, 2023 and 2025 Litigation – Land Use and Zoning “Lawyer of the Year,” 2013, 2015 and 2024 Municipal Law “Lawyer of the Year,” 2014 and 2018 Land Use and Zoning Law “Lawyer of the Ye...

Area of Emphasis Peter Schnore helps his clients resolve real estate-related disputes including real estate tax-assessment appeals, eminent domain proceedings, and Pennsylvania real estate broker’s fee disputes, planned community, condominium, boundary and title disputes. Mr. Schnore also negotiates real estate leases, easements, and related agreements. One area of concentration in Mr. Schnore’s practice is real property tax assessment appeals. He represents commercial and industr...

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.