Roberto Valenzuela Elphick was a British-Chilean bishop of the Methodist Episcopal Church, elected in 1936. He was born 29 August 1873 in Antofagasta, Chile. He was the son of a British nitrate producer, Donald E. Elphick, and Tomasa Valenzuela, a Chilean Roman Catholic. Roberto was converted to the Evangelical Church by reading a New Testament given him by a Methodist Sunday School teacher, Mina Fawcett. Later his father, mother, and most of his brothers were also converted.