Brian McConaghy (born 1963) is the founder of Ratanak International and a former Canadian forensic scientist who left the Royal Canadian Mounted Police (RCMP) in order to dedicate all his energies to ending child abuse and human trafficking in Cambodia. He had already founded Ratanak International, in 1989, a Christian charity dedicated to helping the people of Cambodia rebuild their country that for decades had been torn apart by civil war, revolution and genocide.