Born in 1984, lives and works in Surabaya Indonesia. Slamet Gaprax has begun his art activities as street musician and then he become a member of Sanggar Soerobojo theatre group in 1999. He is co-founder of Sanggar Lingkaran Surabaya (children art comunity). Since 2004 he has been a member of Teater Api Surabaya. Slamet has participated in various theater and performance art festivals in Indonesia.