Derek St. John

Derek St. John, P.E., CFM

Vice President Business Group Director - Infrastructure Water Resources 713.266.6900


Derek St. John joined LAN in 2000 and is Vice President of the firm’s Water Resources group specializing in stormwater management and wastewater collection, conveyance, and treatment projects for municipal clients. Prior to this role, he managed LAN’s stormwater management team specializing in hydrology and hydraulics (H&H) analysis and design. Derek’s background includes complex 2-Dimensional modeling, drainage master planning, sanitary and storm sewer design, GIS, and capital improvement planning. 


Bachelor of Science, Civil Engineering, Texas A&M University


Texas Professional Engineer

Certified Flood Plain Manager