CROPEX - Key Persons
André Kool is a specialist in greenhouse vegetables tomatoes, cucumbers and peppers.
He has theoretical and practical knowledge and experience of:
Where Geert-Willem van de Schoot enters, passion and overview fill the greenhouse.
As a very young child he was already the right hand of his father, a grower, who learned the tricks again from his father. This results in a lot of transmitted skills.
Job Titles:
- Led 's Consult
- Specialist at Beekenkamp
Piet Hein is specialized in tomato crops grown with supplemental lighting. Working at the GreenQ Improvement Center, Piet Hein was involved in the first trials done with LED lighting in tomato crops. After the first steps were taken with hybrid lighting solutions (LED+ HPS lighting), he was also involved in the first trials with 100% LED in tomato crops.
In 2015 Piet Hein started as Plant Specialist high wire crops for Signify (formerly Philips Lighting) and in this role he advised growers over the whole globe in the implementation of LED lighting in their crops. During the period he worked for Signify, he was also involved in the first trials with the implementation of LED in pepper crops.
Before he started at the GreenQ Improvement Center, Piet Hein has worked as crop specialist at Beekenkamp propagation, 8 years as a bell pepper grower at a 8 ha greenhouse and for 2,5 years as grower for Willcox Greenhouse in the USA.
In 2020 Piet Hein started his own company, named Led's Consult, with the focus on lighted tomato crops.
Tim van Hissenhoven advises companies, mainly specialized in hydroponic cultivation and leafy vegetables and herbs in open fields, greenhouses or closed environments. Tim Hissenhoven also advises on vegetable plants. After more than 10 years working as a grower for various greenhouses in Belgium and the Netherlands, he started advising other growers around the world.
As the owner of StarGrow Consultancy, Willem Valstar is the youngest member of the Cropex Group. He has experience in advising crop technical aspects in different types of tomatoes since 2005. He is working mainly in the Netherlands. Beside the Netherlands his clients are also in other European countries as the UK and Poland. He is involved in the first projects with LED growing light, improving Natural Fluid System (NFT), climate steering integrating in climate computers and optimizing energy saving solutions. He works by a special developed way based on crop registration and modelling of crops. His challenge is to realise the best profits (production and fruit quality) for growing companies in a sustainable way.
Willem van Dijk is a crop consultant who is mainly operating in Europe, Australia, United Arab Emirates and the USA. He has experience in advising crop technical aspects in different types of tomatoes and cucumber. He consults big greenhouse projects and focuses on artificial lighting, quality and the wellbeing of the crop. Willem has over 30 years experience and provides customized solutions for both new and existing businesses. He is engaged in educating employees and organizing labor for different projects world wide.