Peter R. Rich

Gene Giotto is a trial attorney with three decades of experience. He has tried cases to verdict in dozens of jurisdictions across the country. Gene regularly represents corporate clients in consequential disputes involving seven or eight-digit damage claims and the potential for devastating reputational harm. Today, Gene’s trial practice encompasses several substantive legal areas: Health Law: Gene handles litigation involving health care entities and health regulations, with a particul...

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...

George P. Kachulis is a lawyer recognized by Best Lawyers in the practice areas of Medical Malpractice Law - Defendants and Personal Injury Litigation - Defendants. George P. practices law in Pittsburgh, Pennsylvania Best Lawyers has recognized George P. Kachulis since 2012. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which George P. Kachulis is held by other...

Mr. O’Connor has been a member of the firm for 20 years. His practice is devoted to the representation of physicians and hospitals in medical malpractice cases. Brian also represents health care providers in litigation before the Pennsylvania State Board of Medicine. Mr. O’Connor has tried over 45 jury trials on behalf of physicians and hospitals throughout the counties of Western Pennsylvania and the Federal District Court in Pittsburgh and Erie. Mr. O’Connor has participat...

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...

Patrick Delaney is a Senior Partner at MacDonald Illig. He concentrates his practice in the area of Commercial Litigation. During the course of his career, Mr. Delaney has litigated disputes in the federal and state courts throughout Pennsylvania and in various other jurisdictions. He has also handled numerous complex commercial disputes before arbitration tribunals, including panels convened through the American Arbitration Association and the International Chamber of Commerce. Mr. Delaney h...

Shaun B. Adrian is a senior partner at MacDonald Illig and a member of the firm's Estates and Trusts Group. He works with individuals and families to establish estate plans tailored to the client's needs, personal goals and tax objectives during life and after death. Shaun concentrates his practice in the areas of estate planning, estate and trust administration, and elder law. Shaun's practice includes the preparation of wills, trusts, trusts for children with special needs, durable powers o...

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...

Tammy Ribar is a lawyer recognized by Best Lawyers in the practice areas of Land Use and Zoning Law and Real Estate Law. Tammy practices law in Pittsburgh, Pennsylvania Best Lawyers has recognized Tammy Ribar since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Tammy Ribar is held by other lawyers.

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...