Gijs Rutjes and Niels Jeuken

Gijs Rutjes

Gijs is the technical sales support manager for Coppens International, an Alltech company. He studied aquaculture at Wageningen University in the Netherlands, specializing in fish nutrition and immunity in fish. After completing his studies, he worked on a RAS catfish farm for nearly three years before entering the fish feed industry. He joined Coppens in 2003 and his main task is to support the sales force and our customers with feed choice, feeding strategies and fish farming matters in order to get the best results with our feeds. Secondly, Gijs is involved in R&D and product development.

To contact Gijs, email


Niels Jeuken

Niels has been the aqua marketing coordinator for Coppens International, an Alltech company, since 2015. He has predominantly worked on boosting the brand identity of Coppens within the aquaculture sector. 

Niels is tasked with establishing an aqua division wherever possible wiithin Alltech locations around the world. He coordinates aqua marketing in strategic markets to grow Alltech's aquaculture brand. 

To contact Niels, email