Erik Olsen and Laurent Bourrut PALM BEACH GARDENS, Fla. — Erik Olsen, president and CEO of TBC Corp. for the past seven-plus years, plans to step down June 30. TBC has named Laurent Bourrut, a Group Michelin executive, to succeed him. Mr. Olsen has been with TBC since 2004, joining the tire wholesaler and retailer as senior vice president and chief marketing officer. Prior to that he was a vice president of sales for Michelin North America. After just one year with TBC, his duties were expanded to include oversight of TBC's Carroll Tire distribution arm. In 2008, he was named president a...