Jacob & Hefner Associates, Inc.
Ronn Gregorek is a Principal Geologist/CSM at Groundwater & Environmental Services, Inc. and also serves as the Regional Manager - Environmental Services at Jacob and Hefner Associates, Inc. Ronn has extensive experience in various roles such as Production Project Manager and Project Manager in the field of geology and environmental services. Gregorek holds an MBA in Business Administration, Management and Operations from Benedictine University and a Bachelor of Science in Geology from Eastern Illinois University.
Jacob & Hefner Associates, Inc.
Jacob & Hefner Associates, Inc. is a Civil Engineering, Land Surveying and Environmental Services firm with multiple offices in Illinois, Georgia and California. Established in 1996, our company has built an excellent reputation for quality, value and client service.