J. Erik Fyrwald, joined Ecolab during the merger in December 2011, having served as chairman and chief executive officer of Nalco since 2008.
Douglas M. Baker, Jr., Ecolab's chairman and chief executive officer, said: "By bringing Nalco and Ecolab together, we've created the global leader in water, hygiene and energy services. Erik has been a strong and consistent partner throughout our negotiation, merger and integration, always operating in the best interests of his company, shareholders and employees.”
Frywald said: “The combined company is stronger than either company was before the merger, with better growth prospects and an outstanding management team.
“I am confident in their ability to achieve superior growth and success in the years ahead.”