Learn more about our principals below.  STS has long standing relationships with firms that have skills that complement our skills.  We team with those firms based on the needs of the client and project.

Joe and Julia Henderson

Joe and Julia Henderson

Joseph L. Henderson, PE, PTOE
Principal / Project Manager

Joe has over 30 years of experience in the design, planning, and operation of transportation facilities for motorists, pedestrians, and cyclists. His design experience includes intersections, traffic control devices, traffic signal systems, work zone traffic control, and construction phasing on projects performed throughout Colorado and Wyoming. Many of these projects were CDOT Local Agency projects following state and federal guidelines. Joe has performed planning studies for developments, corridor access control, corridor studies, and subarea plans. He also has performed railroad quiet zone studies. His operations experience includes traffic signal timing, maintenance of traffic control devices, and crash studies. Joe has a unique knowledge of the Manual on Uniform Traffic Control Devices having been a technical committee member of the National Committee on Uniform Traffic Control Devices for many years.   

To view his municipal resume click here.  
To view his commercial resume click here.
To view his school resume click here.

Julia B. Henderson, CFP
President, Business Manager, Technican

Julia manages the financial aspects of all projects by providing monthly statements and status reports.  She also works with Joe on projects performing drafting with AutoCAD and performing analysis.

Her education in business includes her MBA in Marketing and BSBA in Business Management.  She is also a CERTIFIED FINANCIAL PLANNER.  Her career in finance and marketing began in 1985 and includes previous positions as Director of Marketing for MidAmerica Bank in Chicago and as Senior Marketing Manager for Janus Funds in Denver.