Serial entrepreneurs create multiple successful businesses that employ others. This document analyzes the traits of serial entrepreneurs in three areas: attitudes, behaviors, and professional skills. It finds that serial entrepreneurs highly value profit/usefulness (utilitarian attitude) and knowledge (theoretical attitude). Their behaviors include being very competitive, trusting, and rule-breaking. They exhibit above-average mastery in skills like leadership, goal-orientation, and persuasion. The document concludes that serial entrepreneurs have the right attributes and focus from a young age to succeed in building multiple businesses.