General Motors C.E.O. Mary Barra says the automaker will continue to focus on making the investments needed to "grow profitably" worldwide. She says G.M. is doing well in what she calls the "two most important markets in the world, the U.S. and China." G.M. says in China this year alone it will showcase 17 new models or updated versions. Today Barra officially started her new job as C.E.O..

She had been Senior Vice President of Global Product Development. She was 18 and a co-op student in 1980 when she started working for G.M.. She was born in Waterford and is now 52 years old.