Robert Toru Kiyosaki ( Hilo,Hawaï April 8, 1947) is an American investor, businessman, self-help author, motivational speaker, financial literacy activist, and financial commentator. Kiyosaki is well known for his Rich Dad Poor Dad series of motivational books and other material published under the Rich Dad brand. He has written over 15 books which have combined sales of over 26 million copies.