The Global Breast Cancer Conferenece is the 7th Breast Biennial Meeting of the Asian Breast Cancer Society held in Seoul, Korea Oct 8-10, 2009. 1300 delegates from 30 countries attended the meeting together with prominent breast cancer researchers and clinicians from USA, Europe and Asia. Wide range of topics were presented at the meeting, including prevention, research and treatment of breast cancer. In addition, psycho-social issues of breast cancer were discussed.