
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
Management Team

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 in agro- and behavioral economics, environmental and economic sustainability, and international development. His specialty is to translate complex problems into feasible solutions and applications. Within Blonk he manages the Data Solutions team.

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.

Menno van Rest
Menno is our HR Business Partner. He has a background in People & Organization and Law and has 9 years of experience in the HR field.

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Office Management

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.

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.
Data & Software Solutions

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. In addition he supports consultants in data generation and the IT team in implementing methodology into various projects and tools.

Jeroen van Rijn
Jeroen has an academic background in physics and climate change and has previously worked in data science for Vitens and Block by Block. As part of the data team, he functions as a link between consultants and software developers and works on database development.

Gelieke Steeghs
Gelieke graduated in Organic Agriculture (MSc) at Wageningen University & Research. She also has a degree in Creative Technology, where she developed skills in data visualization, visual communication, and programming. Furthermore, she has a background in software development focusing on databases.

Appanna Machimanda
Appanna graduated Agricultural & food data management (MSc) at UniLaSalle. Furthermore he has gained technical expertise in analyzing satellite image data, sensor data, and other data sources to help us be more sustainable. Systems and design thinking enthusiast.
Software Solutions team

Wolfert de Kraker
Wolfert is a senior software developer and graduated in Computer Science at Rotterdam University of Applied Sciences. At Blonk he translates complex problems into practical technical solutions.

Hein van der Ploeg
Hein graduated at the University of Groningen in artificial intelligence in 2005 and works for Blonk as a senior software developer. He strengthens the Blonk Sustainability Tools team by implementing workable and reliable software solutions.

Riki Hissink
Riki Hissink has a background in Environmental & Sustainability sciences (MSc) and software development. At Blonk she translates complex sustainability questions into user friendly tools.

Lotte Ramekers
Lotte is a software developer with a master's degree in artificial intelligence. At Blonk she loves to find reliable solutions to complex technical problems.

Cas de Mooij
Cas is a junior software developer and graduated in Sustainable Energy Technologies at Delft University of Technology.

Damian Smits
Damian has a background in Earth Sciences (Msc). At Blonk, he is part of the software development team. He is mainly involved in LCA related software, as well as translating data related questions to efficient tooling.

Dennis Buijsman
Dennis graduated Mathematics at the University of Amsterdam. He is part of our software development team.

Anneke Kraamer
Anneke has a background in Chemical Engineering with a focus on sustainable development. At Blonk, she creates and maintains animal and feed modules for APS-footprint.

Breza Witmond
Breza has a background in Molecular Life Sciences. At Blonk, she works as a software developer on the animal modules for APS-footprint.

Anne Fleur von Barnau Sythoff
Anne Fleur graduated in Bioinformatics at the University of Applied Sciences in Leiden. She wanted to focus more on computer science and that is why she started working at Blonk as a junior software developer. She works on the animal and feed modules for APS-footprint.

Linda Meijering
Linda is a junior software developer with a Masters degree in ‘Animal Sciences; Breeding and Genetics’

Lex Schilperoord
Lex graduated in Chemical Engineering (MSc) at the Delft University.

Matvey Morozov
Matvey has a background in Applied Mathematics (Ph.D.) with a focus on Fluid Mechanics. At Blonk, Matvey helps to develop robust and testable software solutions.

Henk Vink
Henk graduated in Neuroscience (MSc) from the VU Amsterdam. He subsequently pursued a PhD in Auditory Neuroscience in Utrecht. At Blonk, he works as a software developer in the Blonk Sustainability Tools team.
Data & Software Consultants

Nicolò Braconi
Nicolò started as an intern at Blonk and currently he is a senior consultant within Blonk Sustainability Tools. He studied Food Technology at Perugia University and Wageningen University, where he specialized in Sustainable Food Process Engineering.

Michela van Kampen
Michela has over 25 years of experience in environmental sustainability topics having worked in industry, Dutch Ministry of Agriculture, Nature and Food Quality and consultancy. She works as senior consultant in the wider service portfolio of Blonk from development of (PEF compliant) databases to helping customers understanding and improving their environmental impact performance.

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.

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.

Carolina Carrillo Diaz
Carolina has a background in process optimization and sustainable chemical product design. She has worked for the food industry in R&D and plant operations. Within Blonk, she is part of the consultant’s team, where she understands and models systems and provides sustainability insights to clients. She also supports the development of sustainability software solutions.

Judith Groen
Judith graduated in Nutrition and Health from Wageningen University, during her studies she focused on healthy and sustainable diets and data science. At Blonk, she works on projects related to sustainable nutrition and diets.

José Corigliano
I’m part of the LCA team with degree studies and master’s in agronomy, presicion farming, agro-hydrology and soil conservation. Worked at the National University of Rio Cuarto as a professor/researcher in soil use and management.
Very passionate about sustainability and the improvement of agricultural production.

Gregorio Brussino
Gregorio is in the final stage of his MSc in Biobased Sciences at Wageningen University and Research. During his internship at Blonk he is investigating how process simulation tools could help in solving data gaps in life cycle assessments.
Consultancy

Janjoris van Diepen
As a senior consultant, Janjoris is responsible for account and project management within Blonk. Janjoris is leading sustainability target setting projects and projects related to carbon footprinting and monitoring. He is primarily motivated by projects that connect the consultancy perspective with data and tool development and implementation at the customer.

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.

Meike Hopman
Meike has a background in mathematics and computing science. She has over 6 years of experience as a sustainability consultant focusing on carbon footprinting. At Blonk she is part of the consultants team.

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.

Marty Heller
Marty represents Blonk in the US and Canada. He supports existing projects while building new opportunities for Blonk to advise the agri-food sector in North America. Marty received degrees in chemical engineering from Michigan State University (BSc) and the University of Colorado at Boulder (PhD). During his post-doctoral research at Center for Sustainable Systems (CSS) at University of Michigan he started to conduct various agri-food related LCAs.

Nadine Mooren
Nadine has worked over 15 years in the Foods sector; from procurement and marketing & sales to sustainability. As a senior consultant Nadine is responsible for projects focused on chain (Scope 3) impacts.

Elisabeth Keijzer
Elisabeth has over 12 years of experience in sustainability research & consultancy. She works as a senior Life Cycle Assessment expert within the Blonk Consultants team.

Juliette Herin
With a background in environmental sciences, ecodesign, and waste management, Juliette has close to a decade of experience in the field of sustainability consultancy. Her main focus is using life cycle assessments to quantify, improve, and communicate on the environmental performance of products and processes.

Davide Lucherini
As a consultant, Davide mainly focuses on analyzing horticultural system. He is experienced in developing environmental footprinting tools and collaborated in the creation of LCA sector specific guidelines. He previously studied Environmental engineering and Sustainable development. Besides Blonk, he spends most of his time on music.

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.

Björn Kok
Björn is part of the Consultants team. 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.

Iana Salim
Iana has a master's degree in industrial ecology and a PhD in LCA of agricultural crops and bio-based products. Within Blonk, she works as a consultant on projects in the area of sustainable agriculture and animal systems. She is also involved in the development of standards related to field emissions from agriculture and land use change

Charlotte Westbroek
Charlotte is part of our consultants’ team. She studied at Wageningen University and has background in Sustainable Food Process Engineering and Supply Chain Management.

Lana Liem
Lana is in the final stage of her MSc in Industrial Ecology, which is an interdisciplinary study using a system’s approach to tackle environmental issues. At Blonk, she is part of the consultants team.

Kurt van der Blom
Kurt studied Environmental Sciences and Sustainable Development at UU. For his MSc thesis, he used LCA to compare two micronutrient fertilizers.
He worked at Mobilis as a sustainability coordinator. Here, he continued to work on LCA’s. Now that he works at Blonk, he hopes to contribute to developing a more sustainable future via the data driven approach used here.

Eline Disselhorst
Eline studied Plant Sciences and Organic Agriculture at Wageningen University, where she became passionate about sustainable agriculture. At Blonk, she is part of the consultants’ team.

Sreepriya Kochumadom
Sreepriya has a background in Environmental engineering. She has a profound interest in environmental impact assessment and sustainability. At Blonk, she is part of the Consultants’ team

Nathalie Goemans
Nathalie graduated her bachelor study in Environmental Science at UU and a second master in Organic Agriculture at the WUR. Throughout her master in Sustainable Development, she got triggered by System Thinking and more data-oriented methods. This led to her graduation project where she built a model in Python on a consumer-level food choice indicator that is easy to use and takes planetary boundaries into account.

Naomi Buijs
Naomi is part of our consultancy team. She holds a bachelor’s degree in Global Sustainability Science and a master’s degree in Earth Sciences. She is passionate about sustainability, data analysis and bridging knowledge gaps.

Alexander Vanier
Alexander obtained his Msc. at UU in the field of Ecology and Natural Resource Management, he has a background in chemical regulation within the E.U, life cycle assessments and corporate carbon footprinting. He is passionate about sustainability, environmental data analysis and reducing environmental footprints across various industries.

Rory Malone
After completing two masters - International Development Studies and Management - and gaining valuable experience in the world of consultancy, Rory joined Blonk. As a Project Management Officer, he will be focusing on project management and process improvement, playing a pivotal role in driving successful project outcomes and optimizing operational efficiency.

Anouk Spruit
Anouk has a background in Industrial Design Engineering (BSc) and Industrial Ecology (MSc). At Blonk she will write her Master thesis about land-use change in LCA.
She studies Industrial Ecology at Leiden University and TU Delft.

Iñigo Irache Cabello
With studies on Industrial Engineering and Industrial Ecology, I have gathered an understanding of the complexities surrounding the achievement of sustainable systems and how to tackle them. I have a particular interest in the potential of regenerative and restorative practices to reduce the environment impact of current agricultural systems.

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Marketing, Communication & Sales

Megan Jasson
Megan is a Senior Business Development and Sales Consultant at Blonk. She has a background in marketing strategy and Master's in sustainable development from Erasmus University in Rotterdam.

Jixin Liu
Jixin graduated from Wageningen University with a master’s degree in agroecology. She works as a sales and customer support consultant at Blonk.

Meike van de Wouw
At Blonk Meike is responsible for all marketing communication related activities, such as websites and newsletters. She has a background in marketing communication and graduated from Wageningen University and Research.

Dorien Soons
At Blonk Dorien is responsible for all marketing communication related activities, such as websites and newsletters. She has a background in marketing and graduated from Tilburg University.
Quality management

Luis Alejandro Basa Benavides
Alejandro studied MSc. environmental sciences at Wageningen University, and has experience regarding integrated management systems (ISO & OHSAS standards). He is ensuring conformity to the requirements ISO 9001:15 and ISO 27001:17 within Blonk’s quality and information security management systems.
Blonk's freelancers

Elena Koukouna
Elena is a sustainability consultant with an educational background in industrial engineering and ecology. She has experience in consulting multinational and international companies on achieving business competitiveness while placing sustainability in the front-line. She is an expert in performing life cycle assessments. She is also very skilled in developing learning material and providing trainings to professionals.

Mariem Maaoui
Mariem has an engineering degree in horticulture and a plant protection and a PhD in LCA of agricultural crops. She joined Blonk as a freelance consultant working remotely from Tunisia. Within Blonk, she is involved in various projects from analyzing horticultural systems, animal systems and developing environmental tools and datasets.
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.