Dempsey joins Andretti Autosport Peter Dempsey will return to Firestone Indy Lights at this weekend's Honda Indy Toronto to compete for Andretti Autosport as a teammate to Stefan Wilson.
Dempsey, a 25-year-old from Ashbourne, Ireland, has three top-10 results, including two podium finishes, in four starts in the 2011Firestone Indy Lights season.
He sits 11th in the championship point standings after competing with O2 Racing Technology.
"I'm really looking forward to getting back on track," Dempsey said. "I'm grateful for this opportunity at Andretti Autosport, and I'll be working hard to put out a good result in Toronto.
"It's been a great experience just prepping with the team for this weekend, so I know it can only get better from here."
Dempsey began racing go-karts at the age of 8, eventually moving into the Formula Ford Series in 2004. In his first full year in the series, he won 33 out of the 43 races he competed in and became the Northern Irish Formula Ford 1600 champion. He was also named Motorsport Ireland's Young Racing Driver of the Year Award winner in 2005 and 2008.
After much success in the UK, Dempsey moved to the United States to compete in the Star Mazda Championship in 2008, recording four wins in his first season, and continued his success the following year with a second place championship finish.
"We're glad to have Peter with us this weekend in Toronto," said J-F Thormann, executive vice president and chief operating officer of Andretti Autosport. "With him and Stefan working together, I think we'll have a strong team effort and a great chance to go for the win." IndyCar.com