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Pittsburgh, PA Lawyers

14 distinguished attorneys in Pittsburgh, Pennsylvania, each reviewed by the Lawyers of Distinction Selection Committee.

Practice areas in Pittsburgh

Pittsburgh attorney directory

Adrian Jennine DeGori

Social Security Disability Law

437 Grant Street, Suite 1100, Pittsburgh, PA 15219

Attorney Adrian J. DeGori knew from a young age that she wanted to pursue a career that involved helping people. In this field, she is able to help people not only in their personal lives, but also on a professional level. Adrian focuses on keeping her clients informed and being as patient as possible. Social Security Disability application is a very long process, and sometimes her clients lose everything while waiting for a hearing date. She has found that keeping her clients well-informed of the process from start to finish has really made a difference. Being patient, empathetic, professional, and organized is important in this field. Also, being prepared in the courtroom is something Adrian prides herself on, as not only do the judges appreciate the diligence and completeness of her files, but her clients feel comfortable and trust her in representing them in matters that can be life-changing. Adrian is always up-front with her clients, and makes sure they are fully aware of the challenges with their claims - as well as the possible outcomes. Adrian grew up in Sewickley, Pennsylvania, and attended Quaker Valley High School. She went to college at the Pennsylvania State University in State College, and is a dedicated Nittany Lion fan. She then went on to study law at a small school, Ohio Northern University, where she obtained her law degree. In her free time, Adrian enjoys watching sports and going to her nieces’ and nephews’ sporting events. She also enjoys spending time with her family and trying the newest restaurants in town.

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Bruce Mattock

Bruce Mattock

Distinguished Lawyer

Civil Litigation

11 Stanwix Street, Suite 1800, Pittsburgh, PA 15222

Bruce E. Mattock is a Shareholder and member of the firm Executive Management Committee at Goldberg Persky & White, P.C., Pittsburgh, Pennsylvania. Mr. Mattock is a 1981 graduate of King’s College in Wilkes-Barre, Pennsylvania (cum laude) and a 1984 graduate of Ohio Northern University in Ada, Ohio. He is licensed to practice law in the state courts of Pennsylvania and West Virginia and is admitted to practice before the United States District Court for the Western District of Pennsylvania, United States District Court for the Southern District of West Virginia, United States Court of Appeals for the Third Circuit, and the United States Supreme Court.

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James B. Lieber

Distinguished Lawyer

Constitutional Law

1722 Murray Ave, Pittsburgh, PA 15217, USA

Jim Lieber and his wife, Margie Hammer, founded this firm then known as Lieber & Hammer in 1981. Since that time, he has represented over a thousand individual and business clients in a practice focused on employment discrimination, commercial litigation, civil rights, and constitutional law. Mr. Lieber is a 1971 graduate of Princeton University, where he headed the Student Volunteer Tutoring Program at Trenton State Prison, received prizes for writing and research, was named a Woodrow Wilson Scholar, and was a Rhodes Scholarship Finalist. At Princeton, his principal influences were the historians Martin Duberman and Arno Mayer and the writer Anthony Burgess. In 1972-1973, he served as an organizer with the United Farmworkers Union (UFW AFL-CIO) in California. Mr. Lieber graduated from the University of Pennsylvania Law School in 1975. At Penn, his legal and writing careers were impacted by studying under pioneering Professors David Rudovsky and Martha Field in civil rights and discrimination law, and Professor Marvin Wolfgang, then the nation’s leading criminologist. Mr. Lieber also had the rare opportunity of giving a course for credit (on pesticide law) and received the Law Students Civil Rights and Research Council award. Following law school, Mr. Lieber served as a Staff Attorney at Community Legal Services (CLS) of Philadelphia and a Trial Attorney at the Bucks County (PA) Public Defender’s Office. While at Lieber & Hammer, Mr. Lieber also served as the Executive Director of the American Civil Liberties Union in Pittsburgh and as an Adjunct Professor at the University of Pittsburgh Law School, where he taught constitutional subjects. Mr. Lieber’s main mentors were Byrd R. Brown, Esq. and Roslyn M. Litman, Esq., both major civil rights litigators. Mr. Lieber’s clients have prevailed at every level of the state and federal court systems, from magistrate and trial courts, to courts of appeal, and supreme courts. He has represented individuals and businesses in a host of complex claims, including anti-trust, fraud, construction defects, discrimination, retaliation, False Claims Act/Qui Tam, bid-rigging, false advertising, racketeering, scientific misconduct, academic freedom, freedom of speech, freedom of religion, due process, bad faith, professional negligence, habeas corpus, corporate whistle-blowing (Sabanes-Oxley), and homicide. Mr. Lieber twice has appeared before the United States Supreme Court, successfully arguing Fiore v. White in 1999. Justice Ruth Bader Ginsburg utilized this case as a basis for her dissent in Bush v. Gore. Mr. Lieber also has conducted class action litigation on age, race, due process, sexual orientation, and securities issues. In 2003, Mr. Lieber was elected to the Academy of Trial Lawyers of Allegheny County, the region’s pre-eminent organization of civil litigation attorneys. Mr. Lieber’s service to the profession has included membership on the Pennsylvania Supreme Court Criminal Procedural Rules Committee, the Allegheny County Bar Association Judicial Nominating Committee, and the Special Panel of the Bench and Bar of the Federal District Court for the Western District of Pennsylvania on the allocation of statutory attorney’s fees. A frequent lecturer on legal topics and legal educator to attorneys, his subjects have included employment law, civil rights, environmental law, motions practice, evidence, and cross-examination. Mr. Lieber has been named a Pennsylvania Super Lawyer in the area of employment law and a Legal Network Top Lawyer in Pennsylvania. In 2022 and 2023 Mr. Lieber was selected as a Silver Distinction Client Champion under the auspices of Martindale-Hubbell. In 2024, he was named Attorney of the Year in Pennsylvania by the Top 100 Registry. Mr. Lieber is the honorary chair of the Caplan-Lieber Human Relations Scholarship for high school students in Western Pennsylvania. Since law school, Mr. Lieber also has pursued an active writing career, contributing articles on an array of topics on law and society, including crime, prisons, street gangs, trials, drug trafficking, sentencing, financial fraud, industry, labor, and bioethics to a host of publications, including The Atlantic Monthly, The New York Times Magazine, The Saturday Evening Post, The Nation, Mother Jones, The Village Voice, The Washington Post, The Wall Street Journal, The Philadelphia Inquirer, Newsday, Pittsburgh Post-Gazette, Pittsburgh Magazine, and Social Policy. His books include Friendly Takeover: How an Employee Buyout Saved a Steel Town (Viking Penguin), which was nominated for a Pulitzer Prize in the General Nonfiction category; and Rats in the Grain: The Dirty Tricks and Trials of Archer Daniels Midland (Basic Books), which was serialized in Regardies Magazine and became the basis for the documentary film, The Rats Below. Mr. Lieber’s recent writing projects include covering the financial crisis for The Village Voice and the Kids for Cash judicial scandal in Pennsylvania for Social Policy. In 2015, he published Killer Care: How Medical Error Became America’s Third Largest Cause of Death, and What Can Be Done About It (OR Books). Podcasts of radio interviews with Mr. Lieber on this important topic can be found at http://www.kabf.org/ and http://www.wnyc.org/story/how-medical-error-became-leading-cause-death/; also see Mr. Lieber’s speech at The Real Truth About Health Conference in Orlando, Florida in September 2016 on YouTube (link is below). In 2018 Mr. Lieber authored Victory, How Pennsylvania Beat Gerrymandering and How Other States Can Do The Same (OR Books). For accomplishments in law and writing, Mr. Lieber received the Albert P. Marquis Who’s Who Lifetime Achievement Award in 2018.

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Jason Matzus

Medical Malpractice Law

310 Grant St, Pittsburgh, PA 15219, USA

Firm founder, Attorney Jason Matzus has over 20 years of experience handling complex personal injury cases, including medical malpractice, industrial and construction site injury cases, auto and trucking cases and fires and explosions. Attorney Matzus is proud to be a trial lawyer and has dedicated his entire career to advocating on behalf of injury victims and their families that are seriously injured or killed through no fault of their own. Throughout the course of his career, Attorney Matzus has recovered tens of millions of dollars for his clients. But, what matters most to him and his clients is that cases pursued by Attorney Matzus have resulted in safety improvements in medical care at local hospitals, worker safety at job sites, roadway safety for motorists as well as other public safety improvements in other industries.

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