Arab Kingdom of Syria
During World War I, Fisher joined the Red Cross to do relief work in France, and later moved to working in Damascus. In 1919, she held the rank of captain in the Syrian army. She was described as "unofficial ruler of the Arab Kingdom of Syria", in reference to her role as advisor to Faisal I of Iraq. She organized schools, encouraged the development of traditional handicrafts, and ran the American Red Cross orphanage in Damascus.