John Williamson last week assumed the role of president of ITT Corp.’s Water & Wastewater business, replacing Per-Inge Birgersson, who is retiring.

ITT Corp. last week named John Williamson president of its Water & Wastewater business, headquartered in Stockholm, Sweden. A provider of pumps and systems to move and treat water and wastewater, the business employs 5,600 and does business in more than 130 countries with leading brands such as Flygt, Sanitaire, Leopold and WEDECO. Williamson replaces Per-Inge Birgersson, who is retiring.

“John is a proven business leader with two decades of global experience, and he brings an intense customer focus, confidence and energy to approach new challenges,” said Gretchen McClain, president of ITT Fluid Technology. “We have strong brands and a track record of solid performance in the water and wastewater market. John has experience across all of our businesses, a broad market view and the leadership skills to align and lead our Water & Wastewater business at a very important time.”

“Additionally, we want to thank Per-Inge Birgersson for his leadership and his years of service,” McClain said. “Per-Inge has done an outstanding job leading this organization for the last six years, and we wish him well.”

Williamson joined ITT in August of 2005 as vice president and director of operational excellence for the corporation. From April of 2007 through March of 2009, he was president of ITT Residential and Commercial Water, responsible for serving the Building Services market for water pumps and systems through the Bell and Gossett, Lowara, and Goulds brands.

ITT Corp. is a high-technology engineering and manufacturing company operating on all seven continents in three markets: water and fluids management, global defense and security, and motion and flow control. Headquartered in White Plains, N.Y., the company generated 2008 sales of $11.7 billion.