Press Releases / Article

CTLGroup Promotes Five of Their Esteemed Colleagues

April 30, 2019

CTLGroup Promotes Five of Their Esteemed Colleagues

SKOKIE, IL (April 30, 2019) – CTLGroup would like to congratulate the following staff on the following promotions:

Carlton Olson
has been promoted to Senior Principal and Group Director in the Structural Evaluation group. Carlton joined us in 1986 and completed thirty-three years of service with CTLGroup in March. He earned a BSCE and MSCE from the University of Illinois Urbana-Champaign. He has over thirty-seven years of industry experience, specializing in condition assessment, non destructive evaluation, and repair of concrete structures.


Chuck Loeppert
has been promoted to Senior Consultant in the Structural and Transportation Laboratory. Chuck joined us in 2006 as a Technician, and has completed thirteen years of service with CTLGroup in January. He has a BS in Mechanical Engineering from the Illinois Institute of Technology. He is active in the American Railway Engineering and Maintenance-of-Way Association (AREMA) Chapter 30 – Ties and Chapter 4 – Rail committees.


Jeff Rusin
has been promoted to Senior Quality Specialist in the Quality group. Jeff joined us in 2017 and has completed two years of service with CTLGroup. He has four years of experience in the Quality field. Jeff has a BS in Business Management and Marketing from Southern Illinois University.


Thomas Plange
has been promoted to Senior Technician in the Petrography group. Thomas joined CTLGroup in 2006 and will complete thirteen years of service this June. He has a BFA from the University of Science and Technology in Ghana.


Brian Szczerowski
has been promoted to Technical Specialist in the Concrete Laboratory. Brian joined us in 2004 and will complete fifteen years of service with CTLGroup next month. Brian has an Associate’s degree in Construction Technology from Alpena Community College. He has several American Concrete Institute (ACI) and Michigan Concrete Association (MCA) certifications.

CTLGroup is an internationally recognized engineering, architecture, and materials science consulting firm, providing expert technical services to clients across an array of industries. Our engineering expertise is complemented by one of the largest and most comprehensive private material and structural testing laboratories in the world. Headquartered in Skokie, Illinois, CTLGroup serves clients globally from offices in Austin, TX, Houston, TX, and Washington, DC. Website:


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