The 2015 Telstra ACT Business Woman of the Year winner Brigadier Georgeina Whelan, director-general, Garrison Health Operations, Joint Health Command for the Australian Department of Defence An army leader who ensures the provision of healthcare to thousands of Australian Defence Force members has been named the 2015 Telstra Australian Capital Territory Business Woman of the Year Brigadier Georgeinaa Whelan, who is director-general of the Defence Department's Garrison Health Operations, was bestowed with the honour at a dinner at the National Arboretum Canberra on Friday night.