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Steven D. Irwin is a Partner with Leech Tishman and is based in the firm’s Pittsburgh office. He is Chair of Leech Tishman’s Government Relations Practice Group, and is also a member of the Corporate, Employment and Litigation Practice Groups. He has extensive experience handling business matters, where he routinely interacts with government bodies and counsels high-level management, defending against or asserting allegations of fraudulent conduct. He is a past member of the Management Committee, which he served on for more than a decade.

Steve led the firm’s Employment Group for a decade and continues to counsel clients on all legal aspects of the employment relationship and labor compliance, with special emphasis on the financial services sector. Steve served as Commissioner of Banking & Securities under two Governors and sat on the Board of Trustees of the Investor Protection Trust. He served as President-Elect of the North American Securities Administrators Association and held leadership roles on the Federal Legislation Committee, Enforcement Section and the Dodd-Frank Working Group. Steve has been an independent director of the third business development fund of Franklin Square Investments since its formation. He was Legislative Assistant to U.S. Senator Arlen Specter and began his career as law clerk to Third Circuit Judge Joseph F. Weis, Jr., of the U.S. Court of Appeals.

Steve regularly lectures on many aspects of the law, including employment, securities, fraud, construction, policy and politics, and for-profit and non-profit business matters. He has presented before the U.S. Congress, the Pennsylvania General Assembly, the Pennsylvania Bar Institute, the National Business Institute, the Council on Education and Management, the Heinz School of Carnegie Mellon University, Duquesne University and the American Institute of CPAs. Steve hosts Political Jungle on public television. He has been published numerous times and was Associate Editor of Law & Policy in International Business.


J.D., Georgetown University Law Center
A.B., cum laude, Harvard College

Court Admissions

District of Columbia
U.S. Court of Appeals, Third Circuit
U.S. Court of Appeals, Federal Circuit
U.S. District Court, Eastern District of Pennsylvania
U.S. District Court, Middle District of Pennsylvania
U.S. District Court, Western District of Pennsylvania

Professional Memberships

American Bar Association
Pennsylvania Bar Association
Allegheny County Bar Association
ABA Forum on the Construction Industry

Professional Accolades

Martindale-Hubbell AV Peer Review Rated Attorney
Pennsylvania Super Lawyer, Pennsylvania Super Lawyers Magazine (2007-2017)
Super Lawyer, National Corporate Counsel Edition (2007-2013)
Blue Sky Cube, North American Securities Administrators Association (2013)
Ed Sell Memorial Lecturer, Pennsylvania Bar Institute
Fellow, Allegheny County Bar Foundation
Named to Top 100 Most Influential People in Politics in Pennsylvania
Honoree, Israel Bonds Legal Division
Nancy B. Zappala Service Award


For a full list of Steve's publications, speeches, presentations & appearances, please click here.

Community Involvement

American Diabetes Association, Inaugural Father of the Year
Americans for Democratic Action, Western Pennsylvania Chapter (Former President)
Anti-Defamation League, Pittsburgh Council (Associate National Commissioner)
Big Brothers Big Sisters of Greater Pittsburgh (Former President; Board of Directors)
Carriage House Children’s Center (Former Board Member)
Commonwealth Court Campaign, Judge Ellen Ceisler (Co-Chair)
Downtown Community Development Corporation (Board Member)
Jefferson-Medal/Outstanding Citizen Award (Judge)
Jewish Healthcare Foundation (Trustee)
Mayor's Task Force on Mon-Fayette Expressway (Former Co-Chair)
National Jewish Democratic Council
Off the Record, benefiting Greater Pittsburgh Community Food Bank (Steering Committee)
Pennsylvania Jewish Coalition (Former Statewide Chair)
Pittsburgh Regional Health Initiative (Co-chair)
Public Parking Authority of Pittsburgh (Former Chair)
Rainbow Kitchen Community Services (Former Board Member)
Riverlife (Headwaters Campaign, Steering Committee)
Rivers Club (Board of Governors)
Southwestern Pennsylvania Commission (Former Commissioner Representing City of Pittsburgh)
Sustainable Pittsburgh (Vice Chair)
Squirrel Hill Urban Coalition (Former Board Member)
Stewards of the Head of the Ohio Regatta (Former Chair)
Three Rivers Rowing Association (Former President, Board of Governors)
Transition Team, Pennsylvania Attorney General (Transition Team Member)
Transition Team, Public Works, Allegheny County Chief Executive (Transition Team Member)
Transition Team, Transportation, Pennsylvania Governor (Transition Team Member)
21Voices-Alzheimer’s Disease (Board Member)
U.S. Commission on Civil Rights (Pennsylvania Advisory Committee)
United Jewish Federation (Former Trustee)
United Jewish Federation, Community & Public Affairs Council (Former Chair)
University of Pittsburgh (Adjunct Faculty)