3. Amancio Ortega (Zara)

Amancio Ortega is a Spanish billionaire best known as the founder of Zara, a popular clothing retailer known for its fast fashion model. Founded in 1974, Zara quickly became renowned for its ability to bring the latest fashion trends to stores in a matter of weeks, rather than months, enabling it to respond rapidly to customer preferences. Ortega's innovative approach emphasizes efficiency and design, making Zara a significant player in the global fashion industry. As a private individual, Ortega is known for his low-profile lifestyle, despite being one of the wealthiest people in the world.