Kevin Hannon, Partner

Kevin Hannon is a partner in Singleton Schreiber and a member of our environmental litigation, mass tort, and personal injury and wrongful death practice groups. Mr. Hannon has extensive experience in successfully litigating environmental cases in multiple state and federal courts.

Two of Mr. Hannon’s environmental trials, Orjias v. Louisiana-Pacific and Escamilla v. Asarco, achieved the largest jury awards in environmental cases in Colorado at the time of verdict. The Escamilla case resulted in a $28 million verdict and the cleanup of a neighborhood of 570 homes. His work in NWIS v. Public Service resulted in the application for closure of a leaking underground natural gas storage facility. In Wilks v. Phelps Dodge, Mr. Hannon acted as lead counsel on behalf of a community with contaminated groundwater and achieved a settlement that included a medical monitoring program, replacement drinking water wells, and monetary compensation for his clients. In many of Mr. Hannon’s environmental cases, he has negotiated not only a monetary payment for his clients, but also remediation of the contamination.

Mr. Hannon is currently serving as the Chair of the Class Action Committee for Depo-Provera Injection Litigation. He has served and now serves as lead counsel in several environmental class actions in several states, including Arizona and Missouri. Mr. Hannon has successfully completed cases involving air, groundwater, soil, and noise pollution and continues to represent businesses and individuals for personal injury and property damage from solvents, heavy metals, lead waste, lead paint, radiation, pesticides, petroleum products, and other substances.

Mr. Hannon has given dozens of seminar presentations for professional attorneys’ associations during the past three decades. His recent seminars for the American Association for Justice included “Rapid Response Seminar: Recent Train Derailments: Environmental and Toxic Torts, Damages,” March 2023; “Avoiding Federal Court By Avoiding Snap Removal,” July 2022; and “Update on Medical Monitoring Case Law,” July 2021.

Prior to joining Singleton Schreiber, Mr. Hannon established The Hannon Law Firm in 1988. Before beginning his law career, Mr. Hannon worked for the U.S. Environmental Protection Agency (EPA) in the air quality and toxic substances programs.

Mr. Hannon graduated from Georgetown University Law Center. He earned a master’s degree cum laude in environmental management from Duke University. During law school, Mr. Hannon served as science advisor for Trial Lawyers for Public Justice (TLPJ), a national public interest law firm.

Mr. Hannon is a member of the Association of Trial Lawyers of America, Colorado Trial Lawyers Association (CTLA), American Association for Justice, and bar and trial associations for the District of Columbia, Missouri, New Hampshire, Wisconsin, and Wyoming. He chaired the American Association for Justice’s Environmental and Toxics Committee from 2022 to 2023. In 2024, Mr. Hannon was elected as one of six Governing Board Members with Public Justice.

Mr. Hannon’s work has been recognized with numerous professional awards, including the “Trial Lawyer of the Year” award from the Trial Lawyers for Public Justice Foundation in Washington, D.C., and CTLA’s “Case of the Year” and “Outstanding Young Trial Lawyer” awards.

Mr. Hannon is admitted to practice in the state courts of Colorado, the District of Columbia, Missouri, New Hampshire, Wyoming, and Wisconsin; the U.S. District Court for the districts of Arizona, Colorado, and the Eastern and Western districts of Missouri; the First, Third, Eighth, and Tenth Circuit Courts of Appeals; the U.S. Court of Federal Claims; and the U.S. Supreme Court.

Since moving to Denver, Mr. Hannon has served on the Management Committee for the NCAA Men’s Final Four Basketball Tournament. He worked for the Colorado Baseball Partnership and on the Management Committee for the Colorado Baseball Commission in the efforts to build a new baseball-only stadium and to locate a Major League Baseball franchise in Colorado.

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*Licensed to practice law in Colorado, the District of Columbia, Missouri, New Hampshire, Wyoming, and Wisconsin. Not licensed to practice law in California.

Honors & Awards

2027

2027 Best Lawyers in America – Litigation – Environmental, Mass Tort Litigation / Class Actions – Plaintiffs, Personal Injury Litigation – Plaintiffs

2024

2024 5280: Denver’s Magazine – Top Lawyers
2024 Best Lawyers – Finalist

2014

2014 Colorado Trial Lawyers Association – Case of the Year – Doyle v. Doe Run

2000

2000 Colorado Trial Lawyers Association – Case of the Year – NWIS v. Public Service

1996

1996 Colorado Trial Lawyers Association – Outstanding Young Trial Lawyer

1993

1993 Trial Lawyers for Public Justice Foundation – Trial Lawyer of the Year

Affiliations

Association of Trial Lawyers of America, Member, 1986 – Present

Bar and Trial Associations for Colorado, District of Columbia, Missouri, New Hampshire, Wisconsin, and Wyoming

American Association of Justice, Section on Toxics, Environmental and Pharmaceuticals; Chair 2021-22, Section Leadership 2019-2021

American Association of Justice, Environmental and Toxics Chair, 2022-23

American Association of Justice, PFAS Litigation Group Chair, 2018-present;

Public Justice, Governing Board Member, 2024 - Present

Class Action Committee (Depo Provera-Injection Litigation), Chair, 2025 - Present

American Association for Justice, Climate Alteration Litigation Group, Elected Co-chair

NAACP, Presenter, “Attacking Environmental Injustice Through Litigation”

News

Speaking Engagements

Press Releases

Blog Posts