John L. Bonaccorsi

Efrem M. Grail is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Efrem M., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2008. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Efrem M. is held by other top lawyers in the same geographic and legal practice area.

Christopher W. Cahillane is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Christopher 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 Christopher W. is held by other top lawyers in the same geographic and legal practice area.

Area of Emphasis Jim Corbelli is a shareholder in the Litigation and Energy and Natural Resources groups of Babst Calland. Mr. Corbelli is past co-chair of the Firm’s Litigation Group. He has acted as lead trial counsel in a wide variety of complex commercial, intellectual property, toxic tort, environmental and natural resource, and energy litigation cases. Mr. Corbelli has extensive environmental litigation experience representing clients before the Environmental Hearing Board in Penn...

Emily Mahler is a partner in Margolis Edelstein’s Employment and Labor Law Group. She represents employers in labor and employment litigation, including claims involving discrimination, harassment, retaliation, wrongful discharge, breach of contract and wage disputes. Emily represents corporations, small businesses, nonprofit organizations and public entities. She appears regularly in federal and state courts throughout Pennsylvania and New Jersey, as well as before the U.S. Equal Emplo...

Marla N. Presley is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Marla N., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marla N. is held by other top lawyers in the same geographic and legal practice area.

Dave Chmiel joined Baum O’Connor Cullen Chmiel in 2009 and focuses his practice in the defense of physicians and dentists, hospitals and long term care facilities and a host of other healthcare and medical providers, including physicians assistants, nurses, physical therapists and certified nurse anesthetists to name a few. Mr. Chmiel pursued his undergraduate degree in political science at the University of Notre Dame in South Bend, IN. Upon graduation, he attended the University of Pi...

A Director in Houston Harbaugh's Estates and Trusts Group , Heidi Rai Stewart assists individuals in the creation of estate plans, probate, and estate and trust administration. Her work in these areas extends to Special Needs planning and Long Term Care planning, including Elder Law . As a natural outcome of her practice, she has gained significant experience in Orphans’ Court matters such as Will contests, guardianships, and actions relating to undue influence, and breaches of fiduciar...

Brian E. McKinley is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Brian E., 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 Brian E. is held by other top lawyers in the same geographic and legal practice area.

Ronald J. Brown is a top attorney recognized by Best Lawyers in the practice area(s) of Municipal Law. Ronald J., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ronald J. is held by other top lawyers in the same geographic and legal practice area.

Attorney Ambrose is a graduate of the University of Michigan and earned his Juris Doctor from the University of Cincinnati College of Law. He is the senior partner at The Ambrose Law Firm in Erie, Pennsylvania. His practice is devoted to litigation, with a primary focus on Criminal Defense: General Practice and Criminal Defense: White-Collar. He also has extensive experience in complex civil litigation, including plaintiffs’ medical malpractice and commercial disputes, in both state and...