Sean Brennan

Sean Brennan has extensive experience in plant management, currently serving as Plant Manager at CertainTeed since February 2023. Prior to this role, Sean held the position of Plant Manager at Lhoist for nearly a decade, with previous roles including Plant Manager and Production Manager. Sean's career also includes a stint as Plant Manager at Eagle Materials and a long tenure at Lafarge Cement, where responsibilities encompassed various managerial roles. Sean Brennan earned a Bachelor of Science degree with a major in Chemistry and a minor in Mathematics from the University of Idaho, completing studies between 1984 and 1989.