Last year she closed the companyís biggest deal ever -- the $6.4 billion acquisition of Affiliated Computer Services, which helped increase profits 25%. The ACS deal, once
ballyhooed by investors, has been the crux of Burns' strategy to grow the services side of the business, now half of Xeroxís revenue.
The list is compiled by FORTUNE editors, who consider four criteria: the size and importance of the womanís business in the global economy, the health and direction of the
business, the arc of the womanís career (resume and runway ahead), and societal and cultural influence.