The Health Policy Special Interest Group (HPSIG) has about 150 members representing many countries. It maintains a Wiki ( with much useful information about SD applications in health care and relevant papers that present systemic views of health care problems. The HPSIG also hosts a Sunday afternoon session prior to the beginning of the ISDC on topics such as health reform and why it is so difficult (at the 2005 and 2006 conferences) and SD applications to chronic illness in different countries (coming up at the 2007 conference). This poster session will be an opportunity to meet some of the HPSIG's members, learn more about the group, and join if you are interested.