About the book
The Polish edition of The Billion Dollar Secret, written from private interviews with more than twenty billionaires and published for a central European readership. The book became the anchor of the Umysł Miliardera brand, which now publishes further titles for founders.
About the author
Rafael Badziag
Author, Speaker & Entrepreneur
Rafael Badziag is an entrepreneur, speaker and writer on the psychology of extreme entrepreneurial success. He spent years travelling the world to interview self-made billionaires face to face, in their homes and businesses, and now advises founders and speaks internationally on what he found.
