The members of cooperation GrowersAdvice4U:


Cornelis Ammerlaan

  • Started as an entrepreneur in horticulture.
  • Expert in propagating young crops and seedlings.
  • Experienced worldwide as a consultant in the production and propagation of young plants.
  • Specialized in vegetable crops and medical Cannabis.

Mathe Barendse

  • Started as a horticulture entrepreneur and in 2014 as a crop advisor.
  • Specialized in growing, peppers, cucumbers, and tomatoes.
  • Experienced in consulting new projects, scaling up, and crop-growing in Greece in wintertime.
  • Expert in sharing knowledge and customer-oriented service.

Louis van den Berg

  • Started as an entrepreneur in growing peppers.
  • Specialized in special varieties like white and sweet peppers.
  • Expert in growing peppers.
  • Experienced in management, KPI`s and process control.

Martien Duijndam

  • The first grower in the Netherlands who used a conditioned crop management system.
  • Specialized in air treatment, cooling, dehumidifying, and model cultivation and biology.
  • Worldwide experienced growing many tomato varieties, peppers, and strawberries.
  • Expert in consulting in the planning of the organization, and making growing strategies.
  • Consulting and teaching on-site and remote.

Rolf de Jong

  • Started as director and owner of two greenhouses in the south of the Netherlands.
  • Expert in educating locale growers in the Dutch way of growing vegetables.
  • Experienced in consulting in Asia, Canada, Europe, Russia, and the USA.
  • Specialized in growing tomatoes, peppers, and different varieties of leafy vegetables.

Henry Rodenburg

  • Entrepreneur and owner of a cucumber greenhouse.
  • Experienced in consulting in crop-growing in the Middle East and Russia.
  • Expert in project consultation in building greenhouses and growing crops.
  • Specialized in growing cucumbers in different countries and climates.

Michel van Ruijven

  • Former owner of a greenhouse with peppers in the Netherlands. 
  • Also experienced in growing tomatoes and growing flowers like Lisianthus en Chrysanthemums.
  • Expert in developing technical innovation in your greenhouse.
  • Specialized in consulting and managing greenhouses remote and on-site.

Enno Ruiter

  • Former owner in horticulture, and entrepreneur in growing vegetables in greenhouses.
  • Specialized in growing tomatoes and roses, in every stage, remote and on-site.
  • Expert in bringing structure to your cultivating plan and organization, remote climate control, and biological control.
  • Experienced as an advisor and consultant of floral and vegetable crops under closet climate circumstances in the Middle East, Russia, and Europe.

Jan Zegwaard

  • Started as a grower of tomatoes, and developed into a driven entrepreneur.
  • Specialized in growing tomatoes, remote and on-site.
  • Expert in marked-focused production and chain thinking.
  • Experienced in consulting by expanding corporate processes.