10 Super rich people you never heard of – You need to see how filthy rich they are (With Pictures)

6. David Sun

David Sun is worth approximately $4.8 billion, largely because of his position as chief engineer for Alpha Micro. Sun also co-founded Kingston Technology, with his investment partner John Tu, in 1987. Kingston Technology is the largest privately held computer memory firm in the United States. The USB flash drives and flash cards manufactured by the company help digital cameras, cell phones and MP3 players to function properly. In 2007, it was estimated that sales for Kingston Technology increased 22%, to $4.5 million. In 1982, Sun and Tu also started Camintonn, a memory chip outfit, and sold the company in 1986 for $6 million before forming Kingston Technology.