Darwen Ullestad

Darwen Ullestad has extensive experience in the construction industry, currently serving as Preconstruction Manager and Senior Estimator at Corstone Contractors LLC since January 2004. With a strong background as a Senior Estimator and Project Estimator at the same company, Darwen Ullestad has developed expertise in preconstruction processes and project estimation, contributing significantly to the firm's success over nearly two decades.