Mary Buffett is a bestselling author, international speaker, entrepreneur, political and environmental activist. Ms. Buffett appears regularly on television as one of the top finance experts in America. She has been the principal speaker for prestigious organization around the world. Ms. Buffett has worked successfully in a wide range of businesses including extensive work as a consultant to several Fortune 500 companies. She lives in California.
David Clark holds degrees in both finance and law, and in the late seventies was the founding member of the original Buffettologists - a small group of early Berkshire shareholders who studied the investment methods of Warren Buffett. He is now recognized as one of the world's leading authorities on the subject and has written extensively on it. He lives in Warren Buffett's hometown, Omaha, Nebraska, and is the Managing Director of a private investment partnership.