Cathriona Hallahan, managing director at Microsoft European Operations Centre, has won the overall O2 Women Mean Business magazine of the year award 2009.
The awards are designed to recognise the achievements of Ireland's businesswomen.
Lynne Whelan won the Accenture WM Big Idea award, while Maureen Forrest of the Hope Foundation took the award for WMB Social Entrepreneur of the year. Rita Shah of Shabra Group was selected as winner of the HP WMB Entrepreneur of the year award.
