Given this paragraph, explain who Robert Kiyosaki is?
Robert Kiyosaki is an American entrepreneur and author who became famous primarily due to his book Rich Dad Poor Dad which has sold over 41 million copies. He is also the founder of Rich Global LLC and the Rich Dad Company, which provide financial education through books and videos. He is undergoing lawsuits related to these companies which in turn are gaining him more press due to documentaries produced on the subject of these lawsuits.