Follow your first journalist

Create a free Journa account

Search and follow 52.983 automatically recognized authors and receive the latest news of the journalists you follow in a convenient newsfeed and in your inbox. Want to know more?

Sign up with LinkedIn
Already have an account? Log in with Linkedin
Are you a journalist? Create a profile
By signing up you agree to the terms and conditions and the privacy policy.
This is an overview of links to articles where we recognized Derck Koolen as the author. Are you Derck Koolen? You can choose what's displayed here. Click “Hey, that's me!” and turn this page into your personal portfolio page. Want to know more?

Articles found online

Written by Derck Koolen

2025

1 article