Robert Kiyosaki is an American entrepreneur, investor, and author, best known for his book "Rich Dad Poor Dad". Kiyosaki was born in Hawaii in 1947 and served in the U.S. Marine Corps during the Vietnam War. 

He later became a successful businessman and investor, and has written over 20 books on personal finance, investing, and entrepreneurship.

Kiyosaki's book "Rich Dad Poor Dad" is a personal finance classic that has sold millions of copies worldwide. The book advocates for financial education and encourages readers to think like entrepreneurs and investors, rather than relying solely on traditional employment.

Kiyosaki is also the founder of the Rich Dad Company, which provides financial education materials and resources to help individuals improve their financial literacy and build wealth. He has been a controversial figure at times, with some critics accusing him of promoting risky investment strategies, but his books and teachings have inspired many people to take control of their finances and pursue financial independence.