In 1955, Moi joined politics and was elected Member of the Legislative Council for Rift Valley. In 1957, he was re-elected Member of the Legislative Council for Rift Valley and in the same year he was instrumental in forming the Kenyan Teachers Union. In June 1960, he took part in the Lancaster House constitutional conference in London. He was outspoken in demanding Kenyatta's release from prison. As a politician, he demonstrated inexhaustible patience and tolerance which later helped shape his political career.