Our Principal Team at Liesch
Our multidisciplinary staff of professionals includes: civil, environmental, and chemical engineers; biologists; geologists; hydrogeologists; environmental scientists; industrial hygiene specialists; asbestos specialists; water resource scientists; construction inspectors and hazardous waste managers.
Brian, Managing Principal of the Liesch Companies, has over 30 years of experience in the environmental consulting industry. He oversees day-to-day...
Dana is a Principal of the firm and a Senior Project Manager with 20 years of experience managing numerous single and multi-site projects across the United...
Hal is a Principal and Professional Engineer with Liesch. He is the head of Liesch's Airport Services group and the lead senior professional for the firm’s...
Jim, a Principal of the firm, has more than 25 years of experience as a Project Manager and Senior Hydrogeologist in all areas of groundwater supply and...
John is a Principal and Professional Engineer with the firm, with 30 years of experience as a Project Manager on engineering design, site remediation, site...
Ken, a Principal with the firm, has over 30 years of experience in the environmental consulting industry and currently manages Liesch’s Hydrogeology section...
Joe has 20 years of experience in the environmental consulting industry with Liesch. As a Partner and Manager of Liesch’s Arizona and Los Angeles offices,...
Bret is a Project Manager and industrial hygiene professional with over 22 years of experience. As a Project Manager and Manager of Liesch's Wisconsin...
Bruce is a Professional Engineer and Partner of the firm with 24 years of project management, engineering design, and construction management experience....
Dave is a Professional Engineer with 18 years of experience at Liesch. His primary responsibilities include overseeing the preparation of construction and...
Eric is a Civil and Environmental Professional Engineer and Partner with over 20 years of experience with Liesch. His areas of expertise include: municipal...
Erik has over 22 years of experience as an Environmental Scientist and Project Manager and currently is the Co-Head of the Building Services group at Liesch...
James is a Professional Engineer and Partner at Liesch with 33 years of experience as a Design Engineer and Project Manager in a variety of civil and...
Larry is a Senior Project Manager with extensive regulatory and consulting experience in all media and in numerous states. His broad-based background...
Mat is an Environmental Engineer and Partner with the firm. He has extensive experience with airport environmental issues including NPDES Permit Management...
Michael Johnson is a Professional Engineer and Partner with Liesch. He has extensive experience in project design, research and project management...
Michael has over 16 years of experience as a Project Manager at Liesch. He is a Co-Head of the Building Services group and has significant experience...
Warren is an Environmental Scientist and a Certified Wetland Delineator with over 12 years of experience in wetland consulting. He assists clients by...
