Brian Guillette

Brian Guillette is a Senior Client Manager at Aptim, where they leverage extensive business management experience in the environmental consulting industry to drive collaboration and deliver high-value results. Previously, Brian served as an Operations Leader and Senior Vice President at ARCADIS U.S., managing a large team across multiple states while focusing on client satisfaction and practical solutions to complex environmental challenges. Brian's early career included roles at Groundwater Technology Inc., where they established and managed an Oklahoma office and handled high-profile hydrocarbon remediation projects. Educated at Baylor University and Winona State University, Brian holds advanced degrees in geology and hydrogeology.