Peter Cartwright entered the water purification and wastewater treatment industry in 1974 and has had his own consulting engineering firm since 1980. He has a degree in Chemical Engineering from the University of Minnesota and is a registered Professional Engineer in that state. Cartwright has provided consulting services to clients worldwide. He has authored over 300 articles, written several book chapters, presented more than 300 lectures in global conferences, and is the recipient of several patents. He also provides extensive expert witness testimony and technology training education. Cartwright is a recipient of the Award of Merit, Lifetime Member Award and Hall of Fame Award from the Water Quality Association and was the Technical Consultant for the Canadian Water Quality Association from 2007 until 2018.