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Mark J. Steger

Senior Counsel
fax +1 312.985.5964

Mark Steger represents industrial and commercial clients in environmental compliance, transactional and litigation matters.

Mark has extensive experience with environmental regulations in all environmental media and assists clients in navigating the maze of environmental laws and regulations impacting their businesses. Mark has worked with many clients over the years on air, water, chemical regulation and solid and hazardous waste matters on the federal, state and local levels, including administrative enforcement matters.

Mark also assists clients in commercial transactions on environmental due diligence matters. He helps clients understand the environmental transactional risks and provides solutions to meet the client’s objectives. Mark also represents clients in matters involving the Comprehensive Environmental Response, Compensation and Liability Act (Superfund) and similar state statutes and well as state voluntary cleanup programs and other site remediation requirements.


J.D., Seattle University School of Law, Seattle, Washington
M.S., University of Illinois at Urbana-Champaign, Champaign, Illinois
B.S., University of Illinois at Urbana-Champaign, Champaign, Illinois

State Bar Licenses


Court Admissions

U.S. Court of Appeals, 7th Circuit
  • “The future of energy and environmental policy under President Donald J. Trump,” The Illinois Manufacturer Magazine, Winter 2017
  • Illinois Hydraulic Fracking Bill Becomes Law, Holland & Knight Alert, July 16, 2013
  • Illinois Proposes Soil Vapor Intrusion Requirements, Holland & Knight Newsletter, Fourth Quarter 2008
  • Supreme Court Decision Turns Up the Heat on Greenhouse Gas Regulation, Holland & Knight Newsletter, Second Quarter 2007
  • Recent State Right-to-Know Laws Focus on Individual Property Owners, Holland & Knight Newsletter, Fourth Quarter 2006
  • D.C. Circuit Vacates Equipment Replacement Rule, Holland & Knight Newsletter, May 4, 2006
  • New Illinois Pollution Notice Law Gives the IEPA New Authority, Holland & Knight Newsletter, First Quarter 2006
  • Illinois Adopts Brownfield Site Restoration Regulations, Holland & Knight Newsletter, April 15, 2004
  • Illinois Amends Petroleum Underground Storage Tank Program, Holland & Knight Newsletter, September 6, 2002
  • Current Issues in Storm Water Regulation in Illinois, Lorman Education Services Seminar, January 23, 2013