THINK FOR YOURSELF. ALWAYS.
ARTICLES PUBLISHED BY
WILLIAM
William Hummel regularly shares articles, interviews and white papers on the topics of personal effectiveness and leadership development. Do you want to stay informed about new articles by William Hummel and the other #TeamTraineroo authors? Sign up for our monthly Traineroo Update!
WHAT CUSTOMERS ARE SAYING ABOUT
WILLIAM


Tonny de Jong
Gemeente Noordenveld
Bedrijven Contactfunctionaris Economische Zaken
Recommending William Hummel for anyone who wants to set achievable goals and make the right choices!


Laura Bodewes
Daar-om.nl
Online Marketing Manager
The training was put together well. It was a good combination between business and private life.


Han-Paul van Westing
Mobiteam
Founder
William’s approach is thorough and his formats and questions are very practical. It prompted me to take action!