John Stalbaum

John Stalbaum is an experienced construction professional with a strong background in estimating and preconstruction management. Currently serving as the Director of Preconstruction at Tonn and Blank Construction since March 2020, John previously held multiple key roles at Larson-Danielson Construction Co., Inc., including Senior Estimator and Estimating Manager from July 1998 to March 2020. John received education from Purdue University Northwest, further enhancing expertise in the construction industry.