eltc - The Environmental Law Teachers Clearinghouse
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Environmental Law Virtual Guest Speakers
Sponsored by Mercer Law School
Spring 2026

Professor Sean Lyness
University of Massachusetts School of Law

Litter Law  

Picture of John Dernbach
Professor Sean Lyness: Sean Lyness is an Assistant Professor of Law at the University of Massachusetts School of Law, where he teaches Civil Procedure, Water Law, and Legislation & Regulation. His research focuses on environmental and natural resources law at the state and local levels, with particular emphasis on the public trust doctrine and public access to natural resources.
 
Before joining UMass Law, Professor Lyness served on the faculty of New England Law | Boston for five years. He previously worked as a Special Assistant Attorney General in the Rhode Island Attorney General’s Office, handling cases in the Environmental, Open Government, and Litigation Units. He began his legal career as a law clerk to the Honorable Alice B. Gibney, Presiding Justice of the Rhode Island Superior Court.

Lecture:  The lecture is available here.

The List: Professor Lyness will join the discussion list for the Guest Speaker Program from February 23-27.  You can access the list here.   

Tune In:  Schedule of Speakers for Spring 2026