Atty. Chris S. Leason
For nearly 30 years, Chris has focused his practice on high-profile civil and criminal environmental investigations and enforcement actions throughout the United States. A nationally-recognized Resource Conservation and Recovery Act (RCRA) practitioner, Chris represents national trade associations, oil and gas companies, manufacturers, and mine operators on issues involving the identification and management of solid and hazardous wastes, financial assurance, corrective action, permitting, boiler and industrial furnace compliance, underground storage tank testing and removal, and land disposal
Profile Summary
About Chris S. Leason at a glance
Chris S. Leason is a litigation, environmental, and government attorney based in Phoenix, Arizona, practicing at Gallagher & Kennedy PA. They have 32+ years of legal experience, licensed to practice since 1994. Admitted to practice in District of Columbia, The District of Columbia Bar (1994), Arizona, State Bar of Arizona (2002), and Idaho, Idaho State Bar (2022). Educated at The George Washington University (J.D., 1993). Recognitions include Best Lawyers in America — Administrative / Regulatory Law (2026), Best Lawyers in America — Environmental Law (2026), and Best Lawyers in America — Litigation - Environmental (2026). Serands clients in Phoenix, AZ and the surrounding metropolitan area.
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About
- For nearly 30 years, Chris has focused his practice on high-profile civil and criminal environmental investigations and enforcement actions throughout the United States
- A nationally-recognized Resource Conservation and Recovery Act (RCRA) practitioner, Chris represents national trade associations, oil and gas companies, manufacturers, and mine operators on issues involving the identification and management of solid and hazardous wastes, financial assurance, corrective action, permitting, boiler and industrial furnace compliance, underground storage tank testing and removal, and land disposal restriction requirements
Practice Areas Explained
Chris S. Leason's Areas of Practice
Each practice area below reflects the types of cases Chris S. Leason handles, with a brief overview of what that area of law covers.
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
Chris S. Leason is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Arizona →
Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.
Chris S. Leason is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in Arizona →
Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.
Chris S. Leason is one of 132,225 government attorneys indexed nationally. Browse government attorneys in Arizona →
Jurisdictional Context
Why local counsel matters in Arizona
Practicing law in Arizona. Legal matters in Arizona are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Phoenix are typically filed in the local municipal court or the appropriate Arizona state district court, depending on subject matter and amount in controversy. An attorney licensed in Arizona brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Arizona courts without local counsel or pro hac vice admission.
Looking for additional Arizona attorneys? Browse all attorneys in Phoenix or all attorneys in Arizona.
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