Sustainability experts for the agri-food sector
Blonk's growing team consists of agri-food and sustainability experts, software developers, and data and methodology specialists. We are all passionate about building a sustainable and healthy society.
Team Blonk will provide you with clear, tailored advice and smart software solutions based on sound, independent research. As such, you can put results into practice effectively.
We draw on the considerable body of knowledge and experience we have built up over the years and our extensive network of experts.
Meet our people
Hans Blonk
Hans is the founder of Blonk (established in 1999). He is a biologist graduated from Leiden University and was one of the developers of the first LCA methodology in the Netherlands. Over the years he has made important contributions to the development of LCA and Carbon Footprinting methods for agri-food products.
Jasper Scholten
Jasper has over 12 years of experience in consultancy and research with regards to environmental and sustainability issues of food production systems. At Blonk he manages the consulting department.
Marcelo Tyszler
Marcelo has over 20 years of experience in consultancy, applied research and data science on the fields of agro- and Behavioral Economics, Environmental and Economic Sustainability and International Development. His specialty is to translate complex problems in feasible solutions and applications.
Bart Durlinger
Within Blonk Sustainability Tools Bart manages the Software Development and the Data and Methodology team. He translates client wishes into user friendly software solutions and applications.
Janjoris van Diepen
As senior consultant Janjoris is responsible for account & project management within Blonk. Janjoris is leading sustainability target setting projects and projects related to carbon footprinting and monitoring. He is especially motivated by projects that connect the consultancy perspective with data and tool development and implementation at the customer.
Paulina Gual
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Nicolò Braconi
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Caroline te Pas
Caroline has a background in Soil Sciences and Environment and Development. Caroline is mainly involved in quantitative analyses using LCA Impact methodologies, sustainable nutrition assessment and the development of tailored environmental calculation tools.
Alessandra Grasso
Linking nutrition with agriculture and the broader food system has been a passion and focus of Alessandra's work. She did a PhD in sustainable nutrition at the Vrije Universiteit Amsterdam. Within Blonk Alessandra works on a variety of projects related to sustainable nutrition and diets.
Björn Kok
Björn is part of our Data & Methodology team of Blonk. Besides that, he also doing a PhD at the University of Stirling, where he studies the environmental impacts of aquaculture, with a focus on novel feed ingredients.
Cas de Mooij
Cas is a junior software developer and graduated in Sustainable Energy Technologies at Delft University of Technology.
Damian Smits
Damian is part of Blonk's software development team.
Daniele Castellana
Daniele is one of our Data & Model Specialist. As a data scientist, he enjoys modelling and translating real-world problems in quantitative terms. He received a PhD in climate physics from Utrecht University.
Davide Lucherini
Employee description. Aliquam semper mauris venenatis, turpis erat vitae ornare. Sollicitudin purus aliquam viverra sapien duis semper sit mollis.
Dieu Linh Hoang
Dieu Linh has a background in Environmental Sciences and Industrial Ecology. Her specialty is tackling the sustainability from systematic and quantitative perspectives.
Elena Koukouna
Elena is a consultant with expertise in the field of life cycle assessment, and worked with a wide range of customers in the agri-food sector. She is very skilled in developing learning material and providing trainings for industry experts and companies as well as for universities.
Freija van Holsteijn
Employee description. Aliquam semper mauris venenatis, turpis erat vitae ornare. Sollicitudin purus aliquam viverra sapien duis semper sit mollis.
Iana Salim
Employee description. Aliquam semper mauris venenatis, turpis erat vitae ornare. Sollicitudin purus aliquam viverra sapien duis semper sit mollis.
Lisanne de Weert
Lisanne graduated in Mechanical Engineering and Industrial Design. Within Blonk she works on projects related to sustainable nutrition assessment and food and biobased LCAs. Besides that, she is experienced in the development of carbon footprint tools and automated LCAs.
Lotte Ramekers
Employee description. Aliquam semper mauris venenatis, turpis erat vitae ornare. Sollicitudin purus aliquam viverra sapien duis semper sit mollis.
Marjolein Jonges
Marjolein is our office manager, she is responsible for the daily operations at our office. You will meet Marjolein when you call the office.
Marty Heller
Employee description. Aliquam semper mauris venenatis, turpis erat vitae ornare. Sollicitudin purus aliquam viverra sapien duis semper sit mollis.
Meike van de Wouw
Employee description. Aliquam semper mauris venenatis, turpis erat vitae ornare. Sollicitudin purus aliquam viverra sapien duis semper sit mollis.
Melissa Smith
Melissa graduated from a joint Master’s Program in Sustainable Development from both Uppsala University and the Swedish University of Agricultural Sciences (SLU). Within Blonk she conducts life cycle assessments and develops excel based tools to calculate carbon footprint.
Mike van Paassen
Mike has a background in Chemical Technology (BSc) and Industrial Ecology (MSc). At Blonk he is mainly involved in the development and maintenance of Feed and Food consumption databases (Agri-footprint, GFLI, RIVM, Optimeal). In addition he supports consultants in data generation and the IT team in implementing methodology into various projects and tools.
Nynke Draijer
Nynke graduated in sustainable food process engineering. At Blonk she applies her skills in systematic thinking, data visualization and interpretation together with our clients. Next to working at Blonk she is doing a PhD on sustainable protein foods and their processes.
Pieter van de Vijver
Employee description. Aliquam semper mauris venenatis, turpis erat vitae ornare. Sollicitudin purus aliquam viverra sapien duis semper sit mollis.
Riki Hissink
Employee description. Aliquam semper mauris venenatis, turpis erat vitae ornare. Sollicitudin purus aliquam viverra sapien duis semper sit mollis.
Roeli van Kesteren
Roeli is our office manager, she is responsible for the daily operations at our office. You will meet Roeli when you call the office. Besides that, she arranges everything related to invoicing.
Simone Hesseling
Employee description. Aliquam semper mauris venenatis, turpis erat vitae ornare. Sollicitudin purus aliquam viverra sapien duis semper sit mollis.
Wolfert de Kraker
Employee description. Aliquam semper mauris venenatis, turpis erat vitae ornare. Sollicitudin purus aliquam viverra sapien duis semper sit mollis.
Why work with Blonk?
Integrity & reliability
Integrity is at the heart of our company. We don't support greenwashing and work with clients who encourage honest research and advice.
Expertise & experience
We are an international leader in environmental and sustainability research, specializing in the agri-food sector. We draw on 20+ years of experience in the field.
Extensive network
We call upon our extensive network of experts in the business and academic community for tailored advice.
Multi-disciplinary team
Our team of agri-food and sustainability professionals, LCA experts, software developers, and data and methodology specialists is passionate about building a sustainable and healthy society.
No-nonsense approach
We deliver clear and practical advice based on sound, independent research. We always get the job done and offer you the service value you deserve.
Courage & ambition
Our team has the courage and ambition to break new ground for tailored advice, aiming to create a sustainable, healthy planet for current and future generations together.