LAWYER PROFILE
Karl R Heisler

Karl R Heisler

USA 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 1 practice area

About

Provided by King & Spalding LLP

Practice Areas

Karl Heisler is a nationally-recognized environmental lawyer in enforcement defense. Karl has managed the legal fallout from a wide array of environmental and workplace safety incidents, ranging from fires and explosions to pipeline releases and the abandonment of hazardous waste. He has over two decades of experience responding to governmental investigations involving the Clean Air Act, the Clean Water Act, the Resource Conservation and Recovery Act, the Comprehensive Environmental Response, Compensation, and Liability Act, and the Occupational Safety and Health Act. He is a prolific speaker on environmental law and incident response.

He has written or spoken about managing the first 48 hours of an incident, incident response for public information officers, responding to hazardous waste abandonments, hurricane readiness and response, climate risk disclosure, environmental due diligence, the environmental aspects of commercial and real estate transactions, the design and implementation of environmental compliance programs, the regulation of electronic waste, cybersecurity in the energy and transportation sectors, evidence preservation, and preparing for a government inspection.

For over a decade, Mr. Heisler has taught the environmental transactions course for the Environmental Law Institute, a leader in non-partisan research and environmental education.

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Environment: Litigation - Illinois

Band 2
Band 2

Individual Editorial
Karl Heisler is adept at representing clients in a range of complex litigious matters, particularly under CAA, OSHA and CERCLA.

Strengths

Provided by Chambers

  • Karl has always demonstrated exceptional service, elite levels of sophistication, and great awareness of the nuances of providing effective client service.

    Environment: LitigationChambers Guide to the USA
  • Karl is a true business partner who is uniquely gifted to leverage his legal expertise with an inherent business mindset to help shape and challenge the strategic direction of the organization. He is a true team player, collaborates exceptionally well with his client and other law firms and assembles the right resources to exceed expectations.

    Environment: LitigationChambers Guide to the USA

Ranked Individuals at King & Spalding LLP (235)

California

Colorado

  • Profile image of Cliff Stricklin
    Cliff Stricklin

    Litigation: White-Collar Crime & Government Investigations

    View profile

District of Columbia

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership