He is the director of the Peritoneal Surface Malignancy Program, the Global Surgery Initiative in the Department of Surgery and the Mass General Oncology Outreach Program in Uganda. In his global health work in Uganda, Rwanda, Liberia, Kazakhstan, Philippines, Bangladesh and Botswana, Dr. Cusack is an advocate for the sustainable transfer of skill sets and knowledge to health care providers, rather than simply providing specialty clinical care in the traditional “medical mission” model.