Ha colaborado con
- Charles Duhigg — en Tiny Habits: Why Starting Small Makes Lasting Change Easy, Atomic Habits, The Power of Habit: Why We Do What We Do, and How to Change 3 Books Collection Set
- James Clear — en Tiny Habits: Why Starting Small Makes Lasting Change Easy, Atomic Habits, The Power of Habit: Why We Do What We Do, and How to Change 3 Books Collection Set