Samantha and Andrew Champagnie have listed for sale their four-bedroom, 3.5-bath home at 717 Summer Oak Dr. in Ellisville for $489,900.

The Champagnies paid $385,000 for the property in Oct. 2003. The 3,267-square-foot house was built in 2002.

Candice Murphy is the listing agent for the home.

Ms. Champagnie has served as a director of revenue and reimbursement at Sisters of Mercy Health System, an organization which sponsors hospitals, physician practices, health plans and health services. She has more than 10 years experience in progressive operations management.

She was previously a vice president with Express Scripts, where she was responsible for operations, process redesign and efficiency improvements, project management and strategic planning. She was also a director of operations at Humana, Inc., and a manager at AT&T American Transtech.

She received her M.B.A. from the University of North Florida.

There were 127 home sales in Ellisville in 2008, with a median sales price of $177,000.

Address: 717 Summer Oak Drive