Photo of Nathan A. Quaglia

Nathan A. Quaglia


"My key focus is on building the best outcome and employing the most effective defense strategy for companies facing toxic tort and environmental claims."


  • Illinois
  • Missouri
  • Illinois Supreme Court
  • Missouri Supreme Court
  • U.S. District Court, Northern District of Illinois


J.D., John Marshall Law School, 2006

B.S., Environmental Science, Allegheny College, 1997


Nathan Quaglia focuses his practice on products liability, toxic tort and environmental law. He has extensive experience in asbestos litigation, representing manufacturers, suppliers, distributors, premises owners and contractors. He implements defense strategy in federal and state litigation, defending claims alleging asbestos exposure. His work includes the full spectrum of asbestos and toxic tort litigation, from initial case evaluation to all aspects of discovery, dispositive motions, and mediation through trial. 

In environmental matters, Nathan navigates regulatory compliance aspects of major transactions including mergers and acquisitions, Superfund litigation defense, contaminated property disputes, and chemical regulatory reporting. In his previous roles at national law firms, he served as chair and co-chair for the environmental practice groups.

Nathan also draws experience from his professional background in environmental science. He previously worked with the Environmental Enforcement Division for the Illinois Attorney General’s office, the U.S. Environmental Protection Agency Region 5, and with a private environmental risk management consulting company. He has taken his skills to the classroom as well, having taught Environmental Law and Policy as an adjunct professor at DePaul University. He has presented extensively to organizations including banks, insurance agencies and brokerages, environmental consulting firms, law firms and other corporations on important environmental updates, risk management and other topics.

Honors & Awards

Honors & Awards

  • Super Lawyers, 2022, Rising Star, 2013-17

News & Insights

Seminars & Speaking Engagements

  • Guest lecturer, “EPA’s All Appropriate Inquiry Rule:  A New Phase in Phase I ESAs” 
    Environment 2006, Federation of Environmental Technologists, Milwaukee, Wisconsin
  • Guest lecturer, “Tools for Effective Environmental Risk Management When Lending on Commercial Real Estate” 
    Environmental Risk Management Seminar, Harris Bank, Chicago, Illinois


Articles & Books

  • “Environmental Due Diligence in Commercial Transactions"
    IICLE treatise on Environmental Law in Illinois Corporate and Real Estate Transactions, 2023 Edition

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