The term 'Shah Pahlavi' refers to the last ruling monarch of Iran, Reza Pahlavi, who reigned from 1941 to 1979. His son, Riza Pahlavi, is the current pretender to the throne. Reza Pahlavi was a strong advocate of modernization and westernization in Iran, and his rule saw the country become a major regional power. Riza Pahlavi has continued to advocate for democracy and human rights in Iran since his father's death.