People
Doug Henderson is a Trial and Global Disputes partner with a national practice in environmental litigation, toxic torts, and mass tort litigation. Doug has tried numerous cases to verdict involving personal injury and property devaluation claims related to industrial emissions, groundwater contamination, wastewater discharges, stormwater runoff, endangered species, and transactional allocations of environmental liabilities. Doug also has litigated cases involving water rights, reservoirs, mining, pipelines, and powerlines.
Doug also provides counseling on a wide range of matters involving RCRA, the Clean Water Act, the Clean Air Act, CERCLA, TSCA, and SMCRA. As appellate counsel, Doug has successfully argued several leading environmental and property rights cases. Doug also has represented the Edison Electric Institute, the National Mining Association, the American Farm Bureau Federation, and U.S. Chamber of Commerce, to name a few. A Ph.D. scientist and attorney, Doug offers considerable experience in trying and litigating cases involving expert testimony on hydrogeology, air emissions, toxicology, stormwater, and epidemiology.
Doug has been named "Lawyer of the Year" six times in Georgia, most recently as "Environmental Lawyer of the Year" (2026). Doug also is listed in the Best Lawyers in America in three separate categories (environmental litigation, environmental law, and mass torts), in Chambers USA Band 1, in the Legal 500, and the Georgia Trend Legal Elite. In addition, Doug has often been ranked as one of the Top 100 lawyers in the State of Georgia by Atlanta Magazine Superlawyers.
J.D., University of Kentucky College of Law
M.S., University of Michigan
Ph.D., University of Michigan
M.S., Georgia Institute of Technology
B.A., George Washington University
Supreme Court of Georgia
Supreme Court of the United States
U.S. Court of Appeals for the D.C. Circuit
U.S. Court of Appeals for the Eleventh Circuit
U.S. Court of Appeals for the Fifth Circuit
U.S. Court of Appeals for the Sixth Circuit
U.S. District Court for the Middle District of Georgia
U.S. District Court for the Northern District of Georgia
Chair, State Bar of Georgia, Agricultural Law Section, 2000 - 2005
Chair, State Bar of Georgia, Environmental Law Section, 1999 – 2000
Member, Judicial Procedure Committee, State Bar of Georgia, 1997 – 2006
August 13, 2025
Paul Mezzina, Doug Henderson, Nicholas Howell and Nicholas Mecsas-Faxon represent Terumo before the Colorado Court of Appeals
First chair in six-week jury trial in Colorado state court for a major medical manufacturing company involving person injury claims allegedly associated with hazardous air pollutant emissions—the jury entered a “not” negligent verdict.
First chair in a six-day jury trial in Georgia state court for a major automobile manufacturing company involving property devaluation claims associated with historical groundwater impacts—with settlement occurring prior to closing arguments.
Lead counsel for a large New Jersey-based medical device manufacturer in successful defense against a lawsuit brought by the State to shut down two sterilization facilities for alleged unpermitted releases of ethylene oxide and related fugitive emissions.
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November 20, 2025
EPA and Corps of Engineers Release a Proposed New Definition of “Waters of the United States,” Limiting Federal Jurisdiction
April 14, 2025
Defining Waters of the United States: EPA and Army Corps Seek Public Input on New WOTUS Rule
March 6, 2025
Supreme Court Rules EPA’s Wastewater Discharge Permits May Not Include “End-Result” Provisions
August 13, 2025
Paul Mezzina, Doug Henderson, Nicholas Howell and Nicholas Mecsas-Faxon represent Terumo before the Colorado Court of Appeals
First chair in six-week jury trial in Colorado state court for a major medical manufacturing company involving person injury claims allegedly associated with hazardous air pollutant emissions—the jury entered a “not” negligent verdict.
First chair in a six-day jury trial in Georgia state court for a major automobile manufacturing company involving property devaluation claims associated with historical groundwater impacts—with settlement occurring prior to closing arguments.
Lead counsel for a large New Jersey-based medical device manufacturer in successful defense against a lawsuit brought by the State to shut down two sterilization facilities for alleged unpermitted releases of ethylene oxide and related fugitive emissions.
See more
November 20, 2025
EPA and Corps of Engineers Release a Proposed New Definition of “Waters of the United States,” Limiting Federal Jurisdiction
April 14, 2025
Defining Waters of the United States: EPA and Army Corps Seek Public Input on New WOTUS Rule
March 6, 2025
Supreme Court Rules EPA’s Wastewater Discharge Permits May Not Include “End-Result” Provisions
August 13, 2025
Paul Mezzina, Doug Henderson, Nicholas Howell and Nicholas Mecsas-Faxon represent Terumo before the Colorado Court of Appeals
J.D., University of Kentucky College of Law
M.S., University of Michigan
Ph.D., University of Michigan
M.S., Georgia Institute of Technology
B.A., George Washington University
Supreme Court of Georgia
Supreme Court of the United States
U.S. Court of Appeals for the D.C. Circuit
U.S. Court of Appeals for the Eleventh Circuit
U.S. Court of Appeals for the Fifth Circuit
U.S. Court of Appeals for the Sixth Circuit
U.S. District Court for the Middle District of Georgia
U.S. District Court for the Northern District of Georgia
Chair, State Bar of Georgia, Agricultural Law Section, 2000 - 2005
Chair, State Bar of Georgia, Environmental Law Section, 1999 – 2000
Member, Judicial Procedure Committee, State Bar of Georgia, 1997 – 2006