His name is Sam Dogen, and here's what I can figure out about him. He also writes in this page selling his book page that he was a millionaire at age 28 and retired at age 35. He also writes this: Sam ran a multi-million dollar business where he actively participated in the recruitment and retrenchment process. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.