Four Gibson Dunn Partners Recognized by Who’s Who Legal 2022 Environment

September 7, 2022

Who’s Who Legal named four Gibson Dunn partners to its 2022 Environment guide. Los Angeles partner Patrick Dennis was recommended in Environment; New York partner Anne Champion was recommended in Climate Change, San Francisco partner Peter Modlin was recommended in Environment, and Washington, D.C. partner Raymond Ludwiszewski was recommended in Environment. The guide was published in September 2022.


Patrick Dennis has extensive experience representing clients in general manufacturing, energy, banking, aerospace, real estate, construction, electronics, oil and gas, cement making, and lead recycling in a wide range of environmental matters.

Anne Champion has played a lead role in a wide range of high-stakes litigation matters, including trials.  Her practice focuses on complex international disputes, including RICO, fraud, and tort claims, and includes federal and state court litigation and international arbitration.

Peter Modlin’s practice focuses on environmental, health & safety, toxic tort and products liability litigation and counseling. He has represented clients in a wide variety of federal and state litigation, including mass tort actions, product liability claims, cost recovery cases, citizen lawsuits, natural resource damages and enforcement actions.

​Raymond Ludwiszewski joined the firm after spending eight years in senior legal positions in the United States government dealing with environmental regulatory issues and litigation in the Environmental Protection Agency and the Justice Department. Some significant matters he has handled include the defense of complex toxic tort “contaminated community” cases, the defense of important environmental civil enforcement cases; the successful challenge of major environmental regulations; the defense of large environmental criminal matters; and the prosecution of litigation against the United States.