Warburg Pincus, a growth investor, and Schlumberger, a provider of technology to the global energy industry, led a $100m Series C round in Gradiant, a developer of cleantech water projects for advanced water and wastewater treatment. “Gradiant is on an exciting growth trajectory, led by a strong management team with a deep understanding of the water solutions required for their customers to increase sustainability in the supply chain,” Roy Ben-Dor, Warburg Pincus Managing Director.