Executives
Mohammed Saleem, PE, SE
President & CEO
Mr. Saleem has over 24 years of experience in numerous high-profile roadway, bridge, and infrastructure engineering projects.
Lori L. Quigg, PE
Executive Vice President of Strategic Initiatives
Ms. Quigg has over 25 years of experience in the transportation and construction industry. She oversees all aspects of the firm, including Administration, Operations and Business Development.
Meraj Samina Saleem
Executive Vice President of Administration and Marketing
Ms. Saleem has oversight and decision making of all Quigg Engineering activities, including Operations, Program Management, Business Development and Human Resources. She also has a lead role in Marketing.
Rebecca L. Stocker
Vice President of Administration
Ms. Stocker oversees all human resources and accounting aspects of the firm.
Ross Monk, PE
Vice President of Business Development
Mr. Monk brings over 35 years of transportation engineering experience to QEI. His experience includes both traditional design/bid/build and design-build deliveries.
Todd Welz, PE
Vice President of Operations
Mr. Welz brings over 30 years of experience specializing in transportation projects involving design and construction of major urban facilities and airports.
Patrick Keefe, PE
VP of Engineering
Mr. Keefe has over 28 years of civil engineering experience where he has worked with several engineering firms throughout his career.
Gina Cason
Employee & Client Relations Director
Ms. Cason has over 20 years of government experience where she has worked with several different departments throughout her career.
Transportation
Francis Nelson, PE
Mr. Nelson is a licensed Professional Engineer in seven states with 19 years of civil engineering experience and a variety of project management experience.
Jameel Ahmed, PE
Mr. Ahmed has over 23 years of experience in civil and structural engineering and surveying, including maintenance-of-traffic, traffic signals, drainage, grading plans, preparation of cost estimates and specifications and construction drawings.
Stephen Kehoe, PE
Mr. Kehoe brings over 33 years of experience working in both highway & roadway design, as well as project management.
Traffic
Seth Johnson, PE, PTOE
Mr. Johnson has extensive professional experience in the areas of Intelligent Transportation Systems (ITS) planning and design, transportation engineering, traffic operations analysis and modeling, traffic data collection, and corridor/safety studies.
Julian Gnatenco, PE, PTOE
Mr. Gnatenco has 25 years of experience in the field of Civil and Transportation Engineering and he has been involved in all aspects of traffic engineering.
Bridget Barrett, PE, PTOE
Ms. Barrett has extensive experience in the areas of Intelligent Transportation Systems (ITS), transportation modeling and planning, and traffic engineering.
Bridges & Structures
Michael Cima, PE, SE
Mr. Cima has over 26 years of experience in transportation-related structure assessment, plan development, inspection, policy development, and management.
David Booher, PE, SE
Mr. Booher brings over 30 years of experience in transportation planning and design, including project management of highway, drainage and bridge projects.
Construction Inspection
Kurt Horton, PE
Mr. Horton is a graduate of Iowa State University of Science & Technology where he received his B.S. in Civil Engineering . After his education, Kurt worked his way through being a Civil Associate all...
Herbert Jung, PE
Mr. Jung has over 30 years of experience with the Illinois Department of Transportation, including 18 year as the Construction Engineer and nearly 13 years in Materials in multiple capacities.
Surveying
Dean Bauer, PLS
Mr. Bauer has over 30 years of experience in land surveying and route surveys along with preliminary and final plat preparations, subdivision calculations and design, topographic drafting and design.
William Kenter, PLS
Mr. Kenter offers 34 years of surveying experience, utilizing his Professional Land Surveyors license to support the work on government, municipal, railroad and private projects throughout the United States.
Environmental Studies & Permitting
Caroline Levenda, CEP, ENV SP
Ms. Levenda has diverse experience consulting in the industry for 18 years. She has a strong background in environmental practice and currently focuses in planning and transportation. Caroline also serves on the National Association of...
Site Development
David Holden
Mr. Holden has 27 years of experience working on civil design projects. He is responsible for the general coordination with clients and other design disciplines during the entire design of multiple projects.