About us

Giving shape to sustainability

Blonk Consultants is an international leader in the field of environment, sustainability, nutrition and health. We find solutions to your environmental and sustainability issues.

We give shape to sustainability through research, advice, the development of tools and databases, and the provision of training. Our efforts are geared to helping companies, governments and civil society organisations put sustainability into practice.

Our work is always based on quantitative analyses and independent data. This generates the open and transparent results that will be of most value to your business or organisation. .

Sustainability expertise for the agri-food sector


All our consultants are specialists in sustainability for the agri-food sector. They will provide you with clear, specific advice based on sound, independent research and ensure that results can be effectively put into practice. They draw on the considerable body of knowledge and experience we have built up over the years and on our extensive network of experts.
  • International guidelines: We work according to the latest internationally recognised guidelines and methods.
  • Clear foundation:Our qualitative and quantitative analyses are known for their clear and robust evidence base.
  • Courage and ambition: We have the courage and ambition to break new ground in search of new understanding.
  • No-nonsense approach: Our no-nonsense approach and independence enable us to identify relevant issues efficiently and effectively.
  • Small team: We offer a personal service that is flexible and responsive to your needs.
  • Extensive network: We can call upon an extensive network of experts in the business community, NGOs and civil society organisations.

Meet the team

We work with passion on your sustainability issues

Hans Blonk

Director


Jasper Scholten

Business Unit Manager - Blonk Consultants


Bart Durlinger

Product Development Manager


Marcelo Tyszler

Business Unit Manager - Blonk Sustainability Tools


Elena Koukouna

Consultant


Mike van Paassen

Data & model specialist



Paulina Gual

Senior consultant


Pieter van de Vijver

Senior software developer


Roeli van Kesteren

Office manager


Freija van Holsteijn

Consultant


Janjoris van Diepen

Senior consultant


Riki Hissink

Software developer



Caroline te Pas

Consultant


Nicolò Braconi

Data & model specialist


Meike van de Wouw

Manager marketing & communication


Lisanne de Weert

Consultant


Damian Smits

Software developer


Laura Wolf

Sales consultant



Björn Kok

Consultant


Davide Lucherini

Consultant


Simone Hesseling

Consultant


Daniele Castellana

Data & model specialist


Marjolein Jonges

Office manager



Cas de Mooij

Junior software developer


Wolfert de Kraker

Senior software developer


Marty Heller

Consultant US and Canada


Melissa Smith

Consultant



Iana Salim

Consultant


Dieu Linh Hoang

Consultant Sustainability Tools


Alessandra Grasso

Consultant Sustainability Tools


Nynke Draijer

Consultant Sustainability Tools


Work with us?

Vacancies & Internships

Currently we are looking for a Senior Consultant. Keep an eye on our website and Linkedin page for latest job openings.