Missioncraft is the art and science of preparing and conducting field operations. This 1-week intensive workshop presents best practices for health personnel in international disaster relief operations. The workshop is offered to selected medical and public health professionals who deploy to disasters as full-time, field-based, hands-on providers. The workshop aims to enhance skill sets required in leadership roles such as organisational team leader or medical co-ordinator. It is designed for experienced professionals in pursuit of mastery, and is not intended for medical tourists.