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 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 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 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.
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 is our office manager, she is responsible for the daily operations at our office. You will meet Marjolein when you call the office.
Blonk Sustainability Tools
Data & Methodology Team
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.
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.
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.
Niklas graduated in Statistics and Data Science (MSc) from Leiden University. At Blonk, he is part of the Data team as a Data Scientist & Engineer. He works on data related topics and functions as a link between consultants and software developers.
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.
Software development 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 has a background in Environmental & Sustainability sciences (MSc) and software development. At Blonk she translates complex sustainability questions into user friendly tools.
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.
Cas de Mooij
Cas is a junior software developer and graduated in Sustainable Energy Technologies at Delft University of Technology.
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.
Dennis is part of our software development team.
Consultants Blonk Sustainability Tools
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.
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 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.
Paulina is Senior Consultant at Blonk and has been working at Blonk since 2017. She has a degree in Chemical Engineering and graduated from an MSc in Industrial Ecology from TU Delft and Leiden University. Within Blonk she coordinates various projects with clients.
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 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.
Freija van Holsteijn
Freija is part of our consultants team. She studied Animal Sciences at Wageningen University and Research, where she became very increasingly concerned by the environmental impacts of our food production system.
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.
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.
Simone is educated as an industrial engineer at University of Twente, a study that encompasses technology, production and design. Within Blonk she is part of the consultants team.
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.
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.
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
Lana is in the final stage of her MSc in Industrial Ecology, which is an interdisciplinary study that combines engineering, environmental and social sciences. At Blonk, she is part of the consultants team.
Charlotte is part of our consultants’ team. She studied at Wageningen University and has background in Sustainable Food Process Engineering and Supply Chain Management.
Marketing, Communication & Sales
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.
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.
Megan is a 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.
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 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.
We call upon our extensive network of experts in the business and academic community for tailored advice.
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.
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.