Estrella Ltd. was established as a group of professionals with qualified Japanese nationals including　nurses, midwives, radiology technicians, and clinical engineers, with the aim of playing a role in international cooperation in the health and medical fields. We have been engaged in research and problem-solving in areas such as the maintenance and operation of medical equipment, community health, maternal and child health, human resource development for medical workers, and infectious disease control. In recent years, we have expanded our business fields to include rural development, disaster prevention, community development planning, and project management, and we are expanding our business by fully utilizing the expertise of each employee.