It is no secret that many of the world’s most successful people have a signature ‘uniform’. When you’re running the biggest company on Earth or leading the free world, spending even the slightest amount of time or energy on deciding what to wear translates to precious moments wasted. Today here we listed 10 successful people—both living and deceased—who have made a habit of wearing the same outfit every day. Have a look!

1. Mark Zuckerberg (Facebook CEO)

Signature outfit: Jeans, Gray T-shirt

2. Steve Jobs (Cofounder & CEO of Apple)

Signature outfit: Black mock turtleneck, Blue jeans, New Balance sneakers

3. Albert Einstein (Theoretical Physicist)

Signature outfit: Copies of the same suit

4. Barack Obama (President of the United States)

Signature outfit: Blue or Grey suit

5. Dean Kamen (Entrepreneur)

Signature outfit: Denim Shirts, Denim Jeans, Work Boots

6. Karl Lagerfeld (Fashion designer)

Signature outfit: Black Suit, White Shirt, Sunglasses, Gloves

7. Christopher Nolan (Film Director)

Signature outfit: Button down shirt, Herringbone vest, Dark Blazer

8. Tom Wolfe (Novelist, Reporter)

Signature outfit: White Suits, Occasionally With A White Homburg Hat

9. Louis C.K. (Comedian)

Signature outfit: Black T-shirt or Polo, Jeans

10. Stanley Kubrick (Film Director, Avid Chess Player)

Signature Outfit: Rumpled Button Down, Ripstop Fatigue Jacket, Chinos