John Roussot
John Roussot is the founder and CEO of FiiT4GROWTH, a business coaching and online training platform. He is the author of Liberate Your Greatness.
![A man in a suit smiling for the camera.](https://bigthink.com/wp-content/uploads/2023/11/John-Roussot_author-headshot-cropped.jpg?w=512&h=512&crop=1)
By supplementing the “principle of marginal gains” with these practical steps, you’ll be well equipped for the journey towards excellence.