R. Sean O'Connell

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.

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.

Christopher Jacobs is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law, Litigation - Insurance and Personal Injury Litigation - Defendants. Christopher, 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 Christopher is held by other top lawyers in the same geographic and legal practice area.

Attorney Shaw is Chairman of the Firm's Environmental Group, handling environmental litigation, compliance and permitting matters. He has been involved in several USEPA led investigations of Clients under the Clean Air Act and RCRA. Attorney Shaw also handles complex commercial litigation cases in the federal and state courts, ranging from claims of pesticide damage to crops to large breach of contract claims. Attorney Shaw's most unique experience involves heading a PRP group at a USEPA Supe...

Area of Emphasis Mark Dausch is a shareholder and past co-chair of the Litigation Group of Babst Calland. He is an experienced trial lawyer who concentrates his practice on energy and environmental litigation. As lead trial counsel, Mr. Dausch has tried several high-stakes lawsuits in federal, state and administrative courts, as well as before arbitration panels. His trial work includes successfully representing businesses in multiple complex energy and environmental trials involving claims i...

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, ...

Robert G. Del Greco, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: General Practice and Criminal Defense: White-Collar. Robert G., 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 G. is held by other top lawyers in the same geographic and legal practice area.

Bernadette Staroschuck, a partner at Margolis Edelstein, was admitted to the Pennsylvania Bar in 1985. Ms. Staroschuck has been associated with Margolis Edelstein since 1997 and before that was associated with the former law firm of Rosenberg Kirshner, which ultimately merged with Margolis Edelstein in January of 1997. She has been a partner in the firm since 2001. Ms. Staroschuck concentrates her practice in matrimonial law and family law issues. She has also handled a variety of other legal...

Bob is a senior Shareholder with Dentons Cohen & Grigsby in Pittsburgh, where he previously served as the Chair of the Firm’s 45+ lawyer Litigation Group for five years. Bob is a graduate of Brown University and Columbia University’s School of Law and focuses his practice on complex commercial litigation, banking and lender liability litigation, non-compete/trade secret issues, intellectual property and employment law. He is licensed in both Pennsylvania and California and has...