In this episode of the Exec Exchange, host Piers Clark welcomes back Rob Thompson, General Manager at OC San, to discuss OC San's Groundwater Replenishment System (GWRS). The conversation begins with a look at Rob's management style, which emphasizes a firm but fair approach and the importance of details. They then delve into the history and development of the GWRS, detailing the partnership between OC San and the Orange County Water District, the challenges faced, such as public perception and media misconceptions, and the intricate treatment processes involved. The episode also explores the project's budget, timelines, and key learnings, offering valuable advice for other water sector leaders considering similar initiatives.