John Bogle (Valley Forge, PA) is founder and former chief executive of The Vanguard Group, the world's largest no-load mutual fund company, with more than $500 billion in assets owned by 12 million shareholders. In 1999, Fortune named Mr. Bogle one of the four financial giants of the 20th century, and Princeton University, his alma mater, awarded him its coveted Woodrow Wilson Award. His first book, Bogle on Mutual Funds, has sold over a quarter-million copies in hardcover and paperback.