Whittaker began her career as a federal anti-trust officer and gained her
MBA at York's
Schulich School of Business. She spent much of her early career working for The Canada Consulting Group, now
Boston Consulting Group, as a director and then partner. Following this, Whittaker became Vice President of Planning and Corporate Affairs at the
Canadian Broadcasting Corporation. She then became the President and CEO of
Canadian Satellite Communications, better known as Cancom and now a part of
Shaw Broadcast Services. In 1993, Whittaker joined
Electronic Data Systems (EDS) based in Plano, Texas (now a part of
Hewlett Packard Enterprise), at that time one of the leading providers of information technology services. Serving first as the President and CEO of EDS Canada, Whittaker went on to become the Executive Vice-President in Asia Pacific in 2001, before transferring to
London where she served as the Managing Director, United Kingdom, Africa and Middle East until her retirement in 2005. As a result, Whittaker has been featured on the front of
The New York Times as having broken the
glass ceiling and been labelled ‘The Pioneer’ by
The Globe and Mail in their ‘Women in Power’ series. ==Executive appointments==