As a teenager, she founded OneChild, a non-governmental organization which seeks to eliminate the commercial sexual exploitation of children abroad.
Perera first became involved in children's rights advocacy work after researching child sexual exploitation and sex tourism in Thailand for a high school class project.
[1][2] In 2002, at 17, she took three-and-a-half months off from school to continue her research in her parents' home country, Sri Lanka.
[1][2][3] Shocked at the ease with which children could be exploited, she met with a Sri Lankan Presidential Advisor and the National Child Protection Authority to discuss the problems she saw.
[9] For her activism and role in the law enforcement operation, Perera was given the title "President's Nominee on Child Protection", a permanent placement in the Presidential Secretariat.