“As a young, high growth, international, new technologies firm, staff development is extremely important to Environmental Expert. Over the past two years, Charles Janssen has provided us with a variety of recruiting services and expert advice which have helped us reach our growth targets. We look forward to keep working with Charles in the years ahead!”

Maarten van Donk

is founder and managing editor of Environmental Expert,
the world's leading environmental technology portal,
based in Madrid.

“Charles has this unique talent to make perfect matches!”

Erik Hiep

President & CEO of The Next Level, based in The Netherlands