Larry is a Senior Project Manager with extensive regulatory and consulting experience in all media and in numerous states. His broad-based background includes project management, regulatory analysis and strategy, negotiations, site investigation and cleanup, compliance and permitting, facility compliance audits, and projects with complex, multi-media environmental and regulatory issues.

During his 12 years at the Minnesota Pollution Control Agency he held positions including: Hazardous Waste Section Chief, managing permitting, enforcement, generator programs; and Supervisor for programs including Superfund, investigation of contaminated sites, solid and hazardous waste enforcement, and the hazardous waste generator program. He also led the Hazardous Waste Rule Writing Task Force that revised state rules allow the MPCA to become authorized to run the Federal hazardous waste program under RCRA.

In his 20 years as an environmental consultant, Larry has managed projects in multiple states that included hazardous waste, investigation and cleanup of contaminated sites, due diligence, Phase I and II Environmental Site Assessments, solid waste, stormwater and wastewater, chemical and petroleum storage tanks, air permitting, air toxics, industrial chemical reporting, and environmental review. He has also provided depositions and expert witness testimony in litigation.

Larry earned a Bachelor of Science degree from Minnesota State University, Moorhead with a major in biology and a minor in chemistry. He is a Certified Hazardous Material Manager.

Mat is an Environmental Engineer and Partner with the firm. He has extensive experience with airport environmental issues including NPDES Permit Management for the Minneapolis/St. Paul International Airport (MSP) and is the regulatory liaison and primary contact for client relations. Mat also works on stormwater and wastewater permitting issues for various clients including experience with the mining industry.

Mat is the Project Manager for a series of projects designed to better understand aircraft deicing fluid's impacts on airport stormwater discharge and how airports current infrastructure performs in capturing and containing spent aircraft deicing fluids. As the Glycol Recovery Program project engineer, Mat has experience in developing and optimizing the glycol recovery program at MSP and tracking program effectiveness of incremental advances each season. He also acts as the Project Manager and primary client contact for Rochester International Airport and has experience serving as a mediator between the Rhode Island Airport Corporation and their regulatory agency regarding NPDES re-permitting disputes.

Mat obtained his Masters of Science in Environment Engineering from Washington University in St. Louis, Missouri and his Bachelor of Arts in Biology/Environmental Studies from St. Olaf College in Northfield, Minnesota. He currently serves on the American Association of Airport Executives Environmental Subcommittee.

Michael Johnson is a Professional Engineer and Partner with Liesch. He has extensive experience in project design, research and project management particularly in the areas of air permitting, industrial wastewater treatment, and soil remediation. Michael assists clients by guiding them through air quality permit applications. This work includes analyzing rate limiting processes, determining maximum potential emissions and recommending methods to reduce air emissions. He has significant experience assisting clients with industrial wastewater treatment systems by performing mass balances on industrial plants and designing plans as well as construction methods for such systems. He serves as a liaison between clients and regulatory agencies by reducing flow rates and contamination levels in wastewater, bringing facilities into compliance. Michael obtained both his Masters in Science and his Bachelors in Science in Chemical Engineering from the University of North Dakota in Grand Forks.