Dennis St. J. Mulvihill

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 Lindsay Howard is a shareholder in the Environmental Services group of Babst Calland. Since joining the firm, Mr. Howard has focused on issues related to complex site remediation, solid and hazardous waste, natural resource damages, and occupational safety and health for a broad array of clients, ranging from small entrepreneurs to Fortune 100 companies. Mr. Howard devotes a significant portion of his practice to counseling clients on the complexities associated with buying, ...

Pittsburgh family lawyer and certified collaborative law attorney Elisabeth W. Molnar manages complex divorce, support and custody cases with skill and compassion. Elisabeth brings 20 years of dedicated family law experience and an enthusiasm for helping families through difficult transitions to her practice at Pollock Begg. Elisabeth enjoys the challenge of complex custody cases, including those involving expert testimony from psychologists and social workers. She complements her background ...

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...

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.

Reid B. Roberts is a founding shareholder in the firm Bunde & Roberts. He has practiced family law for more than 30 years. Reid provides the highest level of professional service to protect the interests of his clients and their families. He is a respected advocate, negotiator and litigator, and one of only approximately 70 members selected to the Pennsylvania chapter of the prestigious American Academy of Matrimonial Lawyers, whose mission is to promote the highest degree of professional...

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.

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 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...

Pittsburgh Family Lawyer Joseph R. Williams is a tenacious litigator and accomplished negotiator admired by his peers for consistent advocacy and effective leadership. A skilled litigator who also is well-versed certified in collaborative divorce, Pittsburgh family lawyer Joseph R. Williams puts clients in the driver’s seat and helps them navigate a wide range of family law concerns to reach their goals. Joe thrives on the challenges of each unique client situation in a diverse, compreh...