Prof. David McCarthy is a world-renowned environmental engineer focusing on the biosurveillance of pathogens in urban water systems and the development of methodologies to monitor and manage these to protect human health. His research spans health-related water microbiology, risk assessments, pathogen fate and transport, urban hydrology, stormwater management, green water treatment technologies, and novel IoT devices for the monitoring and sampling of water quality. David's work has significantly impacted industry practices, including the development of novel stormwater treatment systems and real-time monitoring and control technologies for urban water systems.