Ken's motto is: "When you change your perspective on money, you change your perspective on the world." That is, he helps people develop a positive approach to money. Because many people have a negative attitude towards money or associate it with negative emotions. Ken helps people to overcome these destructive Beliefs on your head to develop a positive connection to money.

He shares his methods & strategies through lectures, coaching or appearances on TV. Ken is also a successful author, having sold several million books. Especially well known is his book "Happy Money: The Relaxed Way to Wealth and Happiness". In this book he tries to explain to the western reader how he learned a positive approach to money based on the Japanese philosophy and how everyone else can do the same.