[2][3] He later pursued two master's degrees at the University of Montana but left the programs to return to the D.C. area.
[4] In 1993, he and his older brother, David Gardner, started the Motley Fool as a vehicle for teaching people about saving and investing in stocks.
[5][6] Gardner is the author of The Motley Fool Hidden Gems newsletter, which aims to find the most promising small public companies for investment, and The Motley Fool Stock Advisor newsletter, in which he competes with his brother, David.
[7] Gardner has testified before the United States Congress, calling for greater transparency in Wall Street dealings.
[8] The Gardner brothers have co-authored several books, including The Motley Fool Investment Guide,[9] You Have More Than You Think, Rule Breakers, Rule Makers, and The Motley Fool Investment Guide for Teens.