Karl Heisler's practice focuses on environmental and white collar law, with an emphasis on civil and criminal environmental enforcement and worker endangerment. He leads teams of attorneys and subject matter experts in responding to investigations conducted by the US Department of Justice, the US Environmental Protection Agency, the Occupational Safety and Health Administration, the US Chemical Safety Board, and the National Transportation Safety Board, in addition to other federal, state and local authorities. Karl routinely conducts internal investigations involving the Clean Air Act, the Clean Water Act, and the Resource Conservation and Recovery Act. He defends clients facing obstruction of justice, false statements and other Title 18 allegations. He has been engaged to assist on a number of acquisitions and divestitures of entities subject to government investigations arising out of environmental and workplace safety incidents.
