Mark Reizer

Mark Reizer is a highly experienced Senior Project Manager at Castle Contracting, LLC, where responsibilities include navigating complex sitework challenges since January 2022. Prior to this role, Mark served as Project Manager at Krupp Construction, managing significant roadway projects in the St. Louis Metropolitan area from November 2011 to December 2021. Earlier experience includes working as Assistant Project Manager at Environmental Operations, Inc. for abatement and demolition services, and as Project Engineer at Northwind Engineering/RVFLimited, overseeing site management and quality control for government contracts. An engineering internship at Fred Weber, Inc. rounded out Mark's early career. Mark holds a Master of Business Administration from Webster University and a Bachelor of Science in Civil Engineering from the University of Missouri-Columbia.