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John Giordano

John Giordano is a Partner in the firm’s Government Affairs practice. In this capacity, Mr. Giordano provides clients with strategic counsel on international, government, and regulatory law, with an emphasis on energy and environment.

Prior to joining Archer, Mr. Giordano served on President Donald J. Trump’s 2016 campaign, and as Deputy General Counsel on the Trump Transition Team. During this time, he also served as one of only ten people on the U.S. Department of Energy Landing Team, where he was the sole Landing Team Attorney.

Immediately before joining the Trump Transition Team, Mr. Giordano was the founding Assistant Commissioner for the division of Air Quality, Energy and Sustainability (AQES) at the New Jersey Department of Environmental Protection (NJDEP). The creation of AQES marked one of the most comprehensive reorganizations of the Department and ushered in a new focus on energy security. Here, Mr. Giordano was also instrumental in drafting the comprehensive update to the state’s 2011 Energy Master Plan, and served as the Governor’s representative on the Delaware River Basin Commission.

Mr. Giordano’s state service also includes serving as the NJDEP’s Assistant Commissioner for Compliance and Enforcement, and as Deputy Secretary (Chief Operating Officer) of the Pennsylvania Department of Conservation and Natural Resources (DCNR). Prior to his appointment to DCNR, Mr. Giordano was on Governor Tom Corbett’s Transition Team as a member of the Energy and Environment Committee.

Prior to entering state service, Mr. Giordano was Executive Vice President and Chief Legal Officer for a regional transportation and equipment leasing company, where he was responsible for all legal, compliance, and external affairs functions. In this capacity, he provided counsel on environmental, regulatory, and compliance issues, as well as commercial transactions, products liability, corporate real estate, logistics, and operational matters, including employment and labor relations.

Earlier in his career, Mr. Giordano was a federal prosecutor and a senior Justice Department official, serving in the United States Attorney’s Office for the Eastern District of Virginia, and as Counselor to the Assistant Attorney General for the Environment and Natural Resources Division at the U.S. Department of Justice (ENRD). While with the U.S. Attorney’s Office, Mr. Giordano prosecuted federal felony and misdemeanor matters, including national security violations, fraud, narcotics offenses, environmental crimes, and government theft. As Counselor to the Assistant Attorney General for ENRD, Mr. Giordano provided counsel on civil and criminal matters involving various environmental and natural resource laws, including those related to pollution-control, land acquisition, resource and ecosystem management, wildlife protection, and national security programs. Here, he also advised Justice Department officials and client agencies on litigation strategy and risks, policy issues, and regulatory initiatives, as well as represented the United States as lead counsel in federal appellate courts.

Before joining the Justice Department, Mr. Giordano served as a Senior Advisor and Staff Director in the Office of the Secretary at the U.S. Department of Energy, where he provided counsel on energy policy, energy related economic activities, FERC regulation and oversight, and national security issues.

Prior to his experience in Washington, D.C., Mr. Giordano was an associate at DLA Piper, and a law clerk to the Honorable Joseph E. Irenas for the U.S. District Court, D.N.J.

Mr. Giordano has taught at the University of Pennsylvania Law School, and is currently a Faculty Advisor at The University of Pennsylvania Wharton School Initiative for Global Environmental Leadership. He has also lectured at the University’s Department of Earth and Environmental Science on the U.S. Environmental Protection Agency’s Clean Power Plan.

In addition, Mr. Giordano is a member of the Drexel University President’s Energy and the Environment Council, where he provides advice and recommendations on the effective utilization of the school’s education programs and research resources to meet emerging energy and environment needs.

Professional and Community Involvement

  • Representative of the United States of America to the Seventy- fourth session of the General Assembly of the United Nations (2019-2020)
  • Federalist Society, Philadelphia Chapter
  • The Philadelphia Club
  • The Union League Of Philadelphia
  • Audubon Pennsylvania

Awards and Recognition

  • NJBIZ “Forty Under 40” Award (2014)


John Giordano Joins Archer & Greiner

Archer Attorneys Win Major Taxpayer Victory Against the Internal Revenue Service

John Giordano to present at the Atlantic Council Global Energy Forum