The Bug Fixer Strategy – Software Principles for Every Problem-Solving

Body Language – Read & Understand People

Agile Leadership with Brain and New Authority

Be Clever Become Rich! Learn Smart Investment-Strategies

Manipulation Techniques – Psychology of Persuasion

Psychology of Fear! Understand & Overcome Anexity

Don't Worry, Do

Fearless Leadership – Mental Strength, Resilience, & Self-Confidence for Leaders

Dealing with your Boss

Body Language for Leaders

Be Yourself! Convince & Win People Authentically