The Water Environment Federation (WEF) has announced its 2025 class of Fellows, honoring 15 distinguished professionals whose leadership, innovation, and service have made a lasting impact on the global water sector. Among this year’s honorees are two outstanding members of the California Water Environment Association (CWEA): Dr. Diego Rosso and Dr. Graham J.G. Juby.
Dr. Diego Rosso
Dr. Diego Rosso is an internationally recognized researcher and educator specializing in oxygen transfer, energy management, and process modeling in wastewater treatment. A recent member of the WEF Board of Trustees and a leader of major technical conferences, Dr. Rosso is celebrated not only for his technical expertise but also for his global academic collaborations and unique advocacy through music and charitable work.
Dr. Graham J.G. Juby, PhD, PE
Dr. Graham Juby, Vice President at Carollo Engineers, is a pioneer in membrane bioreactors, brine management, and advanced reuse processes. With more than 40 years of groundbreaking innovation, he has advanced water reuse technologies worldwide. A prolific author and WEFTEC contributor, Dr. Juby has also mentored a new generation of engineers dedicated to protecting public health and the environment.
Since its establishment in 2009, the WEF Fellows Program has recognized members for professional excellence, leadership, and contributions across design and consulting, education, operations, regulation, research, and utility management. Equally important is their dedicated service to WEF and its Member Associations.
“WEF Fellows are recognized leaders in the water sector who have positively impacted people and the planet through their work,” said Ralph Exton, WEF Executive Director and Fellow. “They inspire all of us to work together for a more sustainable water future.”
CWEA congratulates Dr. Rosso and Dr. Juby on this prestigious honor and thanks them for their leadership, innovation, and lasting contributions to advancing California’s water profession.
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