Author

Brian Portnoy

6 books, mostly business, for Harriman House and Macmillan Digital Audio, 2014–2026

Brian Portnoy, Ph.D., CFA, is a nonfiction author specializing in behavioral finance, investing, and the psychology of money. He wrote The Investor's Paradox and The Geometry of Wealth, co-authored How I Invest My Money with Joshua M. Brown, and later wrote How I Invest My Money Volume Two as a sole author.