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9801 Renner Blvd. Suite 300 Lenexa, KS 66219-9745 (913) 492-0400 Click to Learn More View Map LinkedIn Facebook Twitter who to contact John Cooper · Senior Vice President · Phone:(913) 492-0400  · Send an Email Jim Jarrett · President · Phone:(913) 492-0400  · Send an Email Michael Lay · Principal · Phone:(913) 492-0400  · Send an Email Scott Moeder · Vice President · Phone:(913) 492-0400  · Send an Email Andrew Robertson · Municipal Project Lead · Phone:(913) 577-8827  · Send an Email Heather Smith · Office Manager · Phone:(913) 577-8892  · Send an Email about us GBA provides services in primary markets including site development, building design, transportation, traffic, water/wastewater, environmental permitting, sustainable design and surveying.