Derek Markle

Recognized in The Best Lawyers in America®. Rated by ALM as a “Top Rated Lawyer” in both Pennsylvania and West Virginia. Maintains an AV® Preeminent™ Peer Review Rating from Martindale-Hubbell, the highest rating for ethics and competency. Recognized as a Pennsylvania Super Lawyer® every year since 2007 and has been selected for inclusion on the Super Lawyers’ Pennsylvania Top 50 Women list. Elected as a member of the Federation of Defense and Corporate Cou...

Gregory R. Unatin is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Gregory R., 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 Gregory R. is held by other top lawyers in the same geographic and legal practice area.

Albert is a management-side employment and labor law attorney. For over thirty years, Albert has helped his clients, which range from large international companies and insurers to regional family-owned businesses, navigate the wide-ranging human resource issues all employers face. Although his clients are quite varied, they are concentrated in the manufacturing, healthcare, service, hospitality, financial, and educational sectors. Albert has deep and broad experience in virtually all areas of...

Area of Emphasis Peter Schnore helps his clients resolve real estate-related disputes including real estate tax-assessment appeals, eminent domain proceedings, and Pennsylvania real estate broker’s fee disputes, planned community, condominium, boundary and title disputes. Mr. Schnore also negotiates real estate leases, easements, and related agreements. One area of concentration in Mr. Schnore’s practice is real property tax assessment appeals. He represents commercial and industr...

Matt represents public school districts and school entities as solicitor, labor counsel, and special counsel. He also serves private sector clients predominantly in general commercial litigation, most frequently in construction-related disputes. Education Law: Matt currently serves as solicitor for various school entities throughout Western Pennsylvania, including several public school districts and vocational-technical schools. As solicitor for these entities, his experience includes: Review...

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...

A business litigator and environmental lawyer, Anthony has represented business clients in significant cases presenting issues involving unfair competition, corporate governance, Sherman and Clayton Act violations, breach of fiduciary duty, fraudulent conveyance, securities fraud, trademark protection, insurance coverage, construction litigation, legal malpractice, commercial real estate, and contract matters. He also has acted as outside general counsel to a publicly-held real estate develop...

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...

Maria Greco Danaher regularly represents and counsels companies in employment related matters. She specializes in representing management in labor relations and employment litigation, and in training, counseling, and advising human resource departments and corporate management on these topics. Her prior experience includes having acted as in-house litigation counsel for a Fortune 100 company based in Pittsburgh , where she assisted in oversight and management of litigation done by outside cou...

Charles G. Brown is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Employers. Charles G., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Charles G. is held by other top lawyers in the same geographic and legal practice area.