According to the most recent rich list put together by business magazine Forbes, valve founder Gabe Newell has a net worth around 5.5 Billion. Newell has been at the head of Valve since he co-founded it in 1998 and developer of series such as Half-Life, Portal, and Counter-Strike. Newell is number 97 on the list of wealthiest Americans—three positions up in the top 100
His personal worth has grown by $1.4 billion it was $4.1 billion in January of this year. Microsoft founder Bill Gates tops the list this year with a net worth of $89 billion, ahead of America’s second-richest person, Amazon founder Jeff Bezos ($81.5 billion). Facebook CEO Mark Zuckerberg lies fourth with a fortune of around $71 billion.