He minted cash as a Trump-world side hustler. Then he took the FBI gig—and traded seven figures for a federal salary cap.

Steven Bartlett is best known for his podcast The Diary of a CEO and for being the youngest member on the Dragon’s Den panel. Although the 32-year-old doesn’t come near the richest person in the world ...

Kalshi’s two 29-year-old cofounders Tarek Mansour and Luana Lopes Lara—who took the title of world’s youngest self-made woman ...

Hiranmayi Srinivasan is a former Associate Editor for Investopedia. She covered personal finance topics such as budgeting, saving, investing, and economic news at Investopedia between 2021 and 2025, ...