Imagine how far Brenda Barnes would have gone had she graduated from Harvard, Princeton or Yale. No need, Barnes says. Attending Augustana College in Rock Island, Ill., ââ?¬Å?made me CEO of Sara Lee,ââ?¬Â she says. With a workforce of 150,400 and 2004 sales of $19.6 billion, Sara Lee is the largest corporation with a female CEO.