New release October 1, 2025

Human Logic™ survey system relaunch.

I am proud to share that we will relaunch our updated Human Logic™ behavior style survey system on Wednesday, October 1, 2025. Starting that day, we will offer the Human Logic™ behavior style test in the English, German, French, Spanish, and Portuguese languages, tests in the Ukrainian and Dutch languages will follow later this year.

By J.D. Geertsema

The Human Logic™ behavior style report provides you with a comprehensive personal profile that integrates your self-assessment with evaluations from six peers of your choice. In the personalized 150-page report, you’ll receive highly tailored guidance on enhancing your effectiveness as a leader, consultant, coach, account manager, or dedicated specialist.

Read more about the impact of Human Logic on our testimonials page.

Discover your style.

Curious about your style?

Completing the free self-assessment will provide you with an initial understanding of how you perceive your own behavior. The test will take no more than fifteen minutes. You will instantly receive your result upon completing the questionnaire.

J.D is a unique trainer in management and leadership skills. His style of presentation and interaction are truly unique and I have never been on a similar course as the ones he ran, ever in my career. He is able to apply theory with examples of real application within the working environment. I certainly got a lot out of his courses and I know a lot of my colleagues did too. I would recommend J.D to anyone who wanted to really change their business for the better.

Nigel Penhearow
Head of Sales & Operations Planning