Our Team of Environmental Professionals

Professional Staff:

Brent Jorgensen, CHMM – Principal / Project Manager

Education
1983 – B.A. in Chemistry, San Francisco State University
1983 – 1986: Graduate Studies in Chemistry at Cal State Hayward & Business at Cal Lutheran

Registrations/Certifications

Class I Registered Environmental Assessor (REA No. 1787)
Certified Hazardous Materials Manager, Masters Level (No. 9215)
Current 40-Hour OSHA HazWoper Training / Supervisor
Certified Environmental Construction Inspector (I.D. No. 44606)

Lynn D. Green, PhD – Senior Scientist, Engineering Geologist

Education

2012 – PhD, University of Wyoming, Environmental Science
1991 – B.S. in Chemistry, Portland State University (Minor: Geology & Engineering)
1994 – M.S., Physical Chemistry, University of Oregon, Eugene (Minor: Environmental Studies, Geology & Toxicology)
1995 – Current Studies Portland State University & University of Wisconsin (Madison)
Hydrogeologic Studies, Geotechnical Engineering & Engineering Geology

Kent Mathiot, R.G – Sr. Hydrogeologist

Education
1971 – B.S. in Geology, Portland State University
1974 – M.S. in Geology, Portland State University

Registrations/Certifications

1975 – Registered Geologist, OR, WA, and CA
2003 – Updated 40-Hour Hazardous Waste Operations Training

Gerritt Rosenthal, M.S. – Water Resources Specialist / Hydrogeologist

Education
1982-1985 – Cornell University, Ithaca, NY – M.S. Hydrological Engineering
1965-1968 – University of Minnesota, Minneapolis, MN – M.S. Medical Biochemistry
1961- 1965 – Reed College, Portland, OR – B.S. Chemistry

Registrations/Certifications
2003 – Registered Geologist, OR, WA
2006 – Updated 40-Hour Hazardous Waste Operations Training

Erin King, M.S. – Senior Environmental Scientist

Education
1997 – B.S. in Environmental Science, Ohio State University
2002 – M.S. in Environmental Management, Samford University

Licenses/ Training/ Certifications
2003 – AHERA Asbestos Inspector Certification
2004 – Lead Inspector Certification (Updated annually)

David L. Olson, PE – Senior Environmental Engineer

Education

1969 – B.S. in Civil Engineering, Michigan State University
1975 – MBA, American University

Registrations/ Certifications

1975 – Licensed Professional Engineer in Commonwealth of Virginia
2007 – Licensed Professional Engineer for the States of Washington and Oregon
Member, American Society of Civil Engineers