People on the Move

Drugstore.com Inc. named Th??re du Pont senior vice president, operations and CFO of the $416 million online provider of health, beauty, vision, and pharmacy products, based in Bellevue, Wash. Prior to joining the company, Du Pont, 40, spent 13 years with Wawa Inc. where he assumed various key roles, most recently president and CFO. He is a member of the board of directors for the E. I. du Pont de Nemours and Co. on the audit, compensation and science technology committees. He is also a trustee of the Children’s Hospital of Philadelphia and President of the Longwood Foundation.

Arch Chemicals Inc., the $1.4 billion global biocides maker, with headquarters in Norwalk, Conn., has announced that Louis S. Massimo, executive vice president and CFO, has been named executive vice president and COO. Massimo, 49, came to Arch Chemicals (and its former parent company Olin Corp.) 13 years ago and has held various positions of increasing levels of responsibility. Prior to his role as CFO, he managed the company’s HTH Water Products business. Steven C. Giuliano, controller and principal accounting officer, has been promoted to vice president and CFO. Giuliano, 37, has been the company’s controller since it was spun off in 1999. Meghan E. DeMasi, assistant controller, has been named controller.