Leeuwarden, February 6, 2025
On February 5, 2025, Sigrid Scherrenberg and Johan Langius were appointed as new members of the Supervisory Board of Water Alliance. At the same time, entrepreneur Evert van de Werfhorst stepped down from his position on the board. With these appointments, Water Alliance strengthens its governance with two highly experienced professionals, each with an extensive background in leadership and water technology.
Sigrid Scherrenberg is Research & Development manager at Royal HaskoningDHV, where she focuses on developing innovative and sustainable water treatment technologies. With nearly 15 years of experience in the water treatment industry, Sigrid and her team focus on resource recovery and advanced wastewater treatment.
Sigrid has a PhD from TU Delft, specialized in advanced phosphorus removal. She is also a lecturer at Wateropleidingen. “Water Alliance brings together knowledge and businesses in an excellent way and promotes Dutch water innovations abroad,” says Scherrenberg. “As a member of the Supervisory Board, I hope to contribute to long-term value creation for the Dutch water sector.”
Johan Langius has been CEO of Noardling since 2023, a company that includes the brands Landustrie, Desah, and Hubert. It is a company with a rich history in wastewater treatment and water technology. “My passion lies in the manufacturing industry,” says Langius. “My career has led me through various sectors, from air filtration and the energy transition to electric mobility, and now water technology at Noardling.”
About his new role at Water Alliance, he says: “Water Alliance offers us as a business community a great opportunity to further expand our international activities. As a member of the Supervisory Board, I hope to contribute to strengthening the connection between members and the opportunities that Water Alliance offers them.”
About Water Alliance
Water Alliance is the Dutch cluster organization for water and environmental technology. With now more than two hundred members, Water Alliance has grown in recent years into a successful formula, where government, science, knowledge, innovation, and business seamlessly come together and collaborate to put Dutch water and environmental technology on the map nationally and internationally.
The full Supervisory Board as of February 5, 2025, consists of Walter van der Meer (chairman), Johannes Boonstra, Erwin Dirkse, Abel Reitsma, Johan Langius, and Sigrid Scherrenberg.
In the photo from left to right:
Ronald Wielinga (Chief Operating Officer Water Alliance), Johannes Boonstra, Johan Langius, Erwin Dirkse, Hein Molenkamp (Managing Director Water Alliance), Walter van der Meer, Sigrid Scherrenberg, Abel Reitsma.
