Daniel Tilkens has over 26 years of experience as a Quality Control Manager for precast/prestressed concrete. He holds certifications from PCI, ACI, APA, OSHA, and NPCA in areas including quality control, concrete testing, aggregate testing, batch plant operation, and safety. He graduated from NPCA's Precast University Master Precaster Certification Program and holds NPCA's highest PQS certifications in quality control, QA/QC, technical, safety, production, and leadership.