Galuh Sekar Arum was born in Balikpapan, Indonesia. In 2011, she was selected to represent her city in Youth Leadership Forum, and that was the time when she realized young leaders will determine the future of the world ; thus, she started to join any activites that will improve her leadership and social skill. In 2014, she entered Institut Teknologi Sepuluh Nopember, majoring environmental engineering. There, she joined Kampung Mitra, a program which helps a poor – educated village to start doing household businesses by planting passionfruit in their houses, making passionfruit jam, and selling it with competitive price. Furthermore, she is also the founder of Open Defecation Free (ODF) Surabaya Program which helps Surabaya, one of cities in Indonesia to reach Open Defecation Free goal by doing latrine procurement and socialization to citizen in Tambak Wedi, Kenjeran in order to change their habit from open defecation to open defecation free.