Environmental Site Assessments Team


Director of Investigation & remediation / SENIOR PROJECT MANAGER

Kirk has more than 20 years of geotechnical, environmental, and compliance experience as a consultant, regulator, and an EHS team member in a manufacturing environment.  Mr. Boulanger is a Registered Professional Geologist with extensive experience in soil and groundwater site characterization, investigation and remediation. Regulatory experience includes policy development and management of RCRA Subtitle C and D sites in Kansas.  Mr. Boulanger has accumulated experience in SPCC, NPDES, air compliance, waste management, environmental management systems, safety programs, and various production and manufacturing processes in a variety of industries.   


Environmental Technician

Joseph is a graduate of Wichita State University with a degree in Geology. His experience includes Groundwater Monitoring, UST Trust Fund and Voluntary Cleanup Program Monitoring and Reporting, Soil, Groundwater and Waste Sampling, and LDAR Sampling.  Mr. Dean is also a certified sampling technician.  



Stuart has more than 25 years of Environmental Engineering experience. His field of study at the University of Missouri-Rolla (now Missouri University of Science & Technology) was in Geological Engineering where he earned a Bachelor of Science degree.  Previous industry experience included working as a field engineer and geologist at the Times Beach, Missouri Superfund site.  Stuart has since worked for four national and international consulting firms, during which he has worked on client's sites from a historic Former Refinery (Superfund Site) in New York State to a standby Power Plant adjacent the Oakland Bay in California- and numerous sites in between.  His experience has ranged from complex Superfund (CERCLA) and RCRA sites to a Phase 1 ESA for real estate.  Mr. Klaus has performed as project manager, resident engineer, senior geologist, and technical lead for numerous manufacturing and industrial sites subject to USEPA and KDHE oversight.  Stuart also has experience with SWP3 and SPCC plans and Phase 1/2 ESAs.  At Strata, Mr. Klaus performs as both a Geologist and a Professional Environmental Engineer for the company. He has added his extensive experience in remediation, UIC Class V well compliance and permitting, project management, groundwater modeling, and field investigations for Strata’s clients.    

John Lenherr

Field Geologist / GIS Specialist

John is a graduate of University of Kansas with a Bachelor Degree in Environmental Studies.  He is currently completing a graduate certificate in Geospatial Analysis from Emporia State University.  He has experience in Geographic Information Systems (GIS), Spatial Analysis, Cartography, Hydrogeology, and Remote Sensing. Mr. Lenherr is a Field Geologist with experience in soil and groundwater site characterization, investigation, and remediation. He has also accumulated experience in SPCC, NPDES, UIC, LPG Storage, and waste management compliance for a variety of industries.