David L. Wallis

Shareholder at Gallagher & Kennedy

David’s practice focuses on environmental remediation, enforcement, and litigation and regulatory counseling. David represents clients with complex environmental remediation sites, natural resource damage claims, environmental and toxic tort litigation, solid and hazardous waste compliance and permitting, asbestos abatement, water quality permitting and compliance, underground storage tank corrective actions, and environmental due diligence matters. During the past year, he has advised clients on remediation sites in 20 states involving soil, groundwater, and sediment cleanup. He also has conducted over 120 comprehensive environmental compliance audits throughout the United States and internationally over the past 25 years. He has counseled clients on over 500 real estate transactions in 11 different states.

David practices at the intersection of preparation, experience and know-how. More recently, David has advised clients on remediation sites in 20 states involving soil, groundwater, and sediment cleanup. He also has conducted over 120 comprehensive environmental compliance audits throughout the United States and internationally over the past 25 years, as well as counseled clients on over 500 real estate transactions in 11 different states.

Client and colleagues alike appreciate that David is solution-oriented and looks for practical ways to realize each client’s end game when it comes to dealing with environmental matters. Always prepared, David is valued for his ability to consistently identify the issues and options that matter most and will make the difference for his clients. A precision communicator with meticulous attention to detail and accuracy, David answers complex questions in a streamlined, understandable way.


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