Peter A. Pentz

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...

Craig Murphey is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Personal Injury Litigation - Defendants. Craig, who practices law in Erie, Pennsylvania, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Craig is held by other top lawyers in the same geographic and legal practice area.

Paul focuses his practice on corporate and health law. As a licensed physical therapist, he brings his unique knowledge of the health care industry to meet his client’s needs.

Christine Zaremski-Young is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Christine, 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 Christine 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.

Irv currently serves as the firm's Managing Shareholder. He concentrates his practice on land use, zoning , and real estate litigation. Prior to joining Tucker Arensberg, he served as in-house counsel to the Housing Authority of the City of Pittsburgh. He has represented land owners and developers before planning commissions, zoning hearing boards, governing bodies, administrative agencies, and the Court of Common Pleas. In addition, Irv serves as counsel to numerous food service and restaura...

Area of Emphasis Jean Mosites is of counsel in the Environmental, Energy and Natural Resources, and the Public Sector groups of Babst Calland. She is past co-chair of the Environmental Group. Her practice includes client counseling on environmental compliance in the energy sector, resolving liabilities under federal and state remediation programs, as well as administrative appeals and environmental litigation in state and federal courts. Ms. Mosites represents clients in the Pennsylvania Comm...

Laura L. Reinhart is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Railroad Law. Laura 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 Laura L. is held by other top lawyers in the same geographic and legal practice area.

David has tried numerous cases in both state and federal courts and has argued in the U.S. Courts of Appeals on multiple occasions. From 2000 to July 2005, David left private practice to serve as an Assistant United States Attorney in the Office of the United States Attorney for the Southern District of New York. There he handled a variety of criminal prosecutions and investigations and worked closely with representatives of financial institutions, including internal auditors, compliance offi...

Area of Emphasis Mark Shepard is a shareholder in the Litigation Group of Babst Calland and currently serves as general counsel to the Firm. Prior to joining the firm, he served as chair of the litigation group for one of Pittsburgh’s largest law firms. Background as a Litigator Mr. Shepard focuses his practice in the areas of commercial, toxic tort, products liability and environmental litigation. He has represented clients as lead trial counsel in a variety of complex commercial litig...