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Peter J. Gioello Jr.

Peter J. Gioello Jr.

Senior Attorney

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Cahill Gordon & Reindel LLP
32 Old Slip
New York, NY 10005



  • Drew University, B.A., 2005, cum laude, Dean's List
  • Brooklyn Law School, J.D., 2008


  • New York

Peter Gioello is a senior attorney in the New York office of Cahill Gordon and Reindel LLP where he primarily focuses his practice on environmental law with an emphasis on matters relating to mergers and acquisitions, financing transactions, and debt and equity offerings.

Described as “commercial and market-savvy,” Peter has been named as a Rising Star by The Legal 500 and a Star Associate by Chambers USA for his environmental transactional work. He regularly advises clients in a variety of areas including: EHS compliance and litigation matters, site investigation and clean-up, SEC disclosure, sustainability strategy and reporting, climate change regulation, government enforcement and administrative proceedings, worker health and safety matters, auditing, supply chain risk, real estate development projects, and due diligence with respect to financing, M&A and other corporate matters.  Peter’s experience includes the evaluation of risks and liabilities involving entities in a variety of industries including utilities, oil and gas, energy, manufacturing, pharmaceutical, chemicals, transportation, hospitality, food and agriculture.  

Peter is a council member of the American Bar Association’s Section of Environment, Energy and Resources (“ABA SEER”), serves as the liaison between ABA SEER and various LGBT organizations and serves on ABA SEER’s Diversity Committee.  Peter previously served as a Board Member of the New York City Chapter of the New York League of Conservation Voters and served a three year term as a member of the New York City Bar Association’s Environmental Law committee.