We are proud to have Tonya Sonsteng, P.E., join our SCI family as the regional manager of SCI’s San Antonio and Austin offices. She is a registered Professional Engineer in Texas and has over 8 years of experience in the field of geotechnical engineering and construction materials testing. Her expertise lies in geologic formations within Central Texas, shallow slab on grade and footing foundations, deep drilled pier and driven pile foundations, flexible, rigid and concrete pavement solutions, soil stabilization and improvement, infiltration and applied load testing, construction materials review and site development feasibility.