Sprehe has 12 years of construction materials testing experience, having earned his Bachelor of Science in Civil Engineering from the University of South Florida. He has been a member of the PSI team since 2010.
Dickinson has over 35 years of experience with numerous projects including roads, bridges, airports, high-rise buildings, and educational facilities. He earned his Master of Science in Geotechnical Engineering from Northwestern University and his Bachelor Science in Civil Engineering from the University of Colorado.
Becco has nearly 30 years of geotechnical engineering and environmental consulting experience. He earned his Bachelor of Science in Civil Engineering from Michigan Technological University.
PSI provides environmental, engineering and testing services, including environmental consulting, geotechnical engineering, construction materials testing and engineering, industrial hygiene services, facilities and roof consulting, nondestructive evaluation, and specialty engineering and testing services. Headquartered in Oakbrook Terrace, IL, PSI operates from some 100 U.S. offices with about 2300 employees.