![Mike Markkula Mike Markkula](http://www.thefamouspeople.com/profiles/thumbs/mike-markkula-33520-1.jpg)
Former Intel marketing manager Mike Markkula was able to retire at 32 with millions in his bank, owing to his intelligent stock trading decisions. He later became an angel investor for Steve Jobs’s Apple and also the company’s second CEO. He was later also associated with companies such as Echelon.