Robert Rosas

Robert Rosas is currently the Vice President of Estimating at A&B Construction, a position held since 2025. They previously served as Chief Estimator at Brosamer and Wall from 2013 to 2019 and have held various estimating roles at companies including Granite Construction Company and Bay Cities Paving & Grading. Robert began their career as an Estimator at Chrisp Company and further developed their expertise with internships and positions at multiple construction firms. They earned a degree in Mathematics and Sociology from the University of California, Santa Cruz, between 1991 and 1996.