Gabe Newell joins Forbes' billionaires list

Gabe Newell, co-founder and managing director of Valve, has been added to the billionaires' club.

Forbes Ranking: We share the top 10 places in the gaming industry

Gabe Newell - Combine OverWiki, the original Half-Life wiki and Portal wiki

Gabe Newell was a World of Warcraft gold farmer

Melinda French Gates joins 7 other Washington state billionaires on Forbes 400 list - Puget Sound Business Journal

Freewheeling Valve churns out big video-game bucks despite some growing pains, Business

Meet Gabe Newell, the richest man in the video game business

How Rich is Gabe Newell?

Gabe Newell Net Worth - How Much is Newell Worth?

Based Gabe : r/pcmasterrace

Gaben is love, Gaben is life. Co founder, Education, Forbes

Gabe Newell believes brain interfaces will create games 'superior' to reality 'fairly quickly

Gabe Newell's $5.5 billion net worth makes him one of the 100 richest people in the US