On behalf of the U.S. State Department, former track star Marion Jones is making a series of diplomatic visits to Serbia and Croatia.

Jones, once considered the fastest woman in the world, give back her five medals from the 2000 Sydney Olympics after lying to federal investigators about taking performance enhancing drugs.

“I think that this country is in the process of rebuilding,” she said. “My story is one that I am also rebuilding from making some bad choices in the past, so I think that was one of the main reasons that I was chosen because I have decided to not give up in my quest to help people.”