Team

Meet the dedicated Impact Institute team

Welcome to the heart of Impact Institute, where a team of passionate professionals is committed to driving positive change in the global economic landscape. Our diverse and skilled staff brings together a wealth of expertise in impact measurement, valuation, and sustainable practices. Through meticulous training, innovative tools, and tailored services, the team at Impact Institute stands ready to guide you on your journey towards impactful and sustainable practices. Join us in shaping a better world through the transformative power of the impact economy. Read more about us.

Team Impact Institute

Team Impact Institute

Executive Council

Michel Scholte

Executive Council Member & Co-Founder

Michel Scholte is the Executive Council Member and Co-Founder of the Impact Institute. He is a social entrepreneur dedicated to a more equitable economy. Michel is also the co-founder and executive director of True Price. He holds a variety of advisory board positions and is an alumnus of the Shapers Network of the World Economic Forum and a member of Worldconnectors. He holds an MSc degree in Sociology from the VU University Amsterdam, with a specialisation in research methods, politics and living wages. Michel is a frequently asked public speaker and opinionist in the field of impact measurement and valuation.

Adrian de Grootz Ruiz
Adrian de Groot Ruiz

CEO & Co-Founder

Adrian is the CEO and Co-founder of Impact Institute. He is also the Co-Founder of True Price, the Co-Initiator and board member of the Impact Economy Foundation, and the Director of True Price Foundation. Adrian holds a PhD in Economics from the University of Amsterdam, cum laude, and has served as a member of the Supervisory Board of Utrecht University since 2022. He was recognised as a Global Shaper by the World Economic Forum and as one of the top-20 of most influential people in sustainability by the Dutch newspaper Trouw.

Consulting

Sustainable Finance

Roland van Keeken
Roland van Keeken

Investing Manager

Roland is a Manager and he leads our work for the Impact Investing sector. He has been involved as consultant and project manager in 50+ projects since joining Impact Institute. He believes that impact measurement and management can play an essential role to support the allocation of capital towards solutions for today’s societal challenges. Previously, he worked in Financial Risk Management at Deloitte and Ortec Finance. He holds a MSc in Quantitative Finance from Erasmus University.

Megan Roux

Manager

Megan leads the Sustainable Finance team. She obtained an MSc in Economics, specialising in Behavioral Economics and Game Theory from the University of Amsterdam. Prior to that, she received a BA in Economics at Rhodes University in South Africa.

Adrien Gruson

Team Lead

Adrien is a Team Lead in the Sustainable Finance and the Data departments of Impact Institute. His work focuses on asset managers and asset owners using technology-driven solutions to model and quantify the impacts of any kind of balance sheet, across all asset classes and across environmental, social and human topics. He helps investors to progress further into their journey to become an impactful capital provider to the world economy. Prior to working with Impact Institute, Adrien worked within the Credit Agricole Group, in investment banking and in asset management. Adrien holds a Masters in Engineering from the Ecole Centrale de Lyon, and an MSC in Investment Banking and Financial Markets from the University Paris Dauphine.

Mistoura Daouda

Senior Associate

Mistoura is a Senior Associate. She holds a MSc in Finance with a specialisation in Corporate Finance and a bachelor in Management and Applied Economics. Prior to joining Impact Institute, Mistoura started her career in asset management where she was an analyst first and then a portfolio manager of equity funds. Among other things, she worked on ESG implementation within investment processes and led the work for the company to become a UNPRI signatory. She believes in the role of the financial sector in steering companies to understand the scale of their impact and act on it.

Katharina Bauer

Senior Associate

Katharina is a Senior Associate. She holds an MSc in Strategic Management from HEC Paris. Before that, she obtained a BSc in Liberal Arts and Sciences from Leiden University College. Katharina completed various internships focusing on business and sustainability. Companies she has worked for include BASF, the Netherlands Institute for Sustainable Packaging (KIDV) and Rubio Impact Ventures.

Roy Verkaik

Senior Associate

Roy is a Senior Associate. He holds a MSc in Business Administration with a specialization in Business Analytics. Roy previously worked in the financial sector at a large corporate bank. He believes in the transformative power of sound data use in organisations. A personal ambition is to keep exploring the added value of Micro Finance, wanting to empower communities with financial means.

Lorenzo Bissi

Associate

Lorenzo is an Associate in the Sustainable Finance department. He has moved to the Netherlands to study a BA in European Studies and an LLM in Law and Finance at the University of Amsterdam. The Impact Institute is the starting point of his career: he wants to contribute to positive change from the very beginning.

Ana Dirkzwager

Business Management Support Officer

Ana is moved to The Netherlands to study Global Sustainability Sciences. Recently she graduated with a master’s in Social, Health and Organisational Psychology. She firmly believes that organisations have the strength to drive the transition towards a more sustainable society. She is motivated to help others create positive social and environmental impact, contributing to a better future for all.

Consulting

Energy, Water and Infrastructure

Florian Reuter

Principal

Florian leads the Energy, Water and Infrastructure (EWI) consulting team. He is an experienced consultant and project manager in impact measurement, management and strategy. He joined the organisation in 2018 and builds several long-term collaborations in the energy, water and resource transitions.
Florian believes “impact thinking” can help organisations navigate just transitions. He is as an optimist with a sound critical mindset, and has 10+ years experience in consulting with a MSc in Mathematics. He regularly taps into experiences ranging from his time at Deloitte in risk consulting to travelling the world on a bicycle.

Lotte Dietz

Manager

Lotte is Manager of the Energy, Water and Infrastructure (EWI) consulting team. Prior to joining Impact Institute, she worked >5 years as a transition manager for VanWaarde with a focus on making the food and water system futureproof. She holds a MSc in Neuro- and Behavioural Sciences from the Rijksuniversiteit Groningen. Lotte truly believes that impact measurement and transparency can reshape capitalism and make the world a better place. Outside work she loves to dance, run, cycle and go to music festivals.

Mathijs Rozemuller

Senior Associate

Mathijs is Senior Associate in the Energy, Water and Infrastructure (EWI) consulting team. He holds a master in physics and PhD in systems biology. In the evenings he is often found on a stage performing (musical) improv comedy. Mathijs firmly believes in the necessity to broadly consider all forms of impact to ensure a prosperous and fair future.

Simon Wittkamp

Associate

Simon is a Fellow in the Energy, Water and Infrastructure (EWI) consulting team. He holds a MSc in Mathematics from the University of Amsterdam, with a focus in Graph Theory. During his studies he was a teaching assistant for the Bachelor Mathematics and a member of the Faculty Student Council. Simon also has a black belt in Kung Fu.

Consulting

Responsible Value Chains

Marijke Huzen

Associate

Marijke is an Associate in the Responsible Value Chains team. She has a Master’s degree in International Development Studies from the University of Amsterdam, where she focused on inclusive business models and social entrepreneurship. Prior to that, she did a Bachelor of Psychology at Utrecht University.

Mariasole Petti

Trainee

Mariasole is a Data Analyst Trainee within the Responsible Value Chain Team. She studied International Relationships in Rome where she subsequently obtained an MSc degree in European Economy. After working for an NGO promoting human rights and sustainability, she moved to the Netherlands to finalize her academic journey with an MSc in Global Water Challenges (at the Vrije Universiteit of Amsterdam). Highly interested in the challenges posed by environmental sustainability and economic development, she is dedicated to making a meaningful impact.

Steffen Reimers

Associate

Steffen is an Associate in the RVC team. I obtained a MSc in Climate Studies from Wageningen University with a specialization in Climate, Society and Economics. Prior to that I received a BSc in Environmental Sciences in Freiburg, Germany.

Danai Aberg

Fellow

Danai is a Fellow in the Responsible Value Chains Team. She just completed a master’s degree in Environmental Policy at Wageningen University. Prior to that she was in London, completing a BA in Politics and International Relations. She is passionate about interdisciplinary approaches towards tackling sustainability issues.

Technology

Rik Matena
Rik Matena

Head of Technology

Rik Matena is a startup veteran who works on the intersections of product development, hands-on data engineering, business strategy, and operations. He worked for 10 years at Springest, an education marketplace & B2B learning management SaaS, leading its development team as Head of Product as it scaled and exited. Rik holds a MSc in Physics from Utrecht University.

Henry van Kouswijk

Commercial Lead

Henry gained experience in client facing- and team lead roles in the past 10 years within technology and data driven organisations. He is excited about the value data and technology can bring in developing and transforming organisations. He holds a Msc Business Administration Strategy and Organisation from the VU university.

Rogier Schutte

Head of Product

Rogier Schutte is a software geek with over 10 years of experience as a founder of several startups. He has worked on a wide range of industries, from fintech to health tech. Rogier is a skilled product manager with a focus on user research and usability

Technology

Data

Hans Baumers

Data Scientist

Hans previously, he worked as a Senior Consultant in financial risk advisory at Deloitte Belgium. He also obtained a PhD in Mathematics at the University of Leuven, studying jumping numbers on higher-dimensional algebraic varieties.

Hans Westrik

Data Scientist

Hans previously worked as a Researcher at Priogen Energy and holds a MSc in Mathematics.

Anne Mesguich
Anne Mesguich

Product Owner

Anne holds an MSc in Finance & Investments (Advanced) from the Erasmus University of Rotterdam. She works in both the Data and Software teams. She is especially interested in leveraging impact data and models to help companies operate more sustainably.

Michael Wekking

Data Developer

Michael obtained his Bachelor degree at Amsterdam University College, majoring in Political Science and International Relations. A course in Data Science for Political communication sparked his interest for data, and he did a Master’s in Data Science at Universiteit Utrecht. In his free time, he likes football and padel, playing board games, and going to the cinema.

Technology

Software

Lotte
Lotte Jonkergouw

Web Developer

Lotte is performing both managerial tasks as well as being a developer in the scrum team. Previously, she worked as a consultant at EY in the areas of software and mergers & acquisitions. She obtained an MSc in Physics by studying the statistical data analysis of the Higgs boson, and a MSc in Software Engineering by specialising in cyber security analytics.

Tim Jonkers

Product Owner

Tim previously worked as a Customer Engagement Consultant for large banks and wealth management partners. He believes collaboration is a prerequisite for creating value and by doing it together improve complete value chains. He obtained a MSc in Business Administration, specializing in Marketing from Radboud University Nijmegen.

lewis zwart
Lewis Zwart

Web Developer

Lewis has worked on bespoke client tools as well as standardised impact calculation engines. Lewis likes to use an agile way of working to fulfill clients’ needs efficiently and is also passionate about capturing our impact methodology nicely in code. Previously she obtained a MSc in Mathematics at the University of Amsterdam.

Jay Goldstein

Web Developer

Jay is responsible for the APIs at the core of software at Impact Institute. They also work on aligning methodology and software in collaboration with other teams. Jay is an experienced F# developer and regularly works with PostgreSQL and Azure. Prior to joining Impact Institute, they obtained a PhD in Astrophysics from the University of Birmingham.

Juan Aguero
Juan Manuel Aguero

Web Developer

Juan studied Anthropology at Universidad Nacional de La Plata, Argentina. He has worked in archaeological research, biological food production and digital marketing until he decided switching his career to Software Development. Juan decided to create a better world and, developing software that impacts the economy is the best way he has found to achieve this mission.

Education, Knowledge & Research

Reinier de Adelhart Toorop
Reinier de Adelhart Toorop

Researcher

Reinier is Head of Research and he leads the development of new impact methodology. Reinier is proud to have published a review article on True Cost Accounting in Nature Food. Previously he was Research Associate at Roland Berger Strategy Consultants. Reinier holds a PhD in Theoretical Particle Physics from Leiden University. He was a world champion in debating (English-as-a-second-language) and a silver medalist at the International Biology Olympiad.

Bart van Veen

Team Lead Researcher

Bart works as a Researcher. He holds an MSc in Human Movement Sciences and a PhD in Mechanical Engineering, specializing in stochastic modelling of motor control. Previously, he was a post-doctoral researcher in biomechanics at the University of Sheffield. Before joining Impact Institute, he worked on turning an old bunker into an urban farm.

Loes verdonk
Loes Verdonk

Associate

Loes is a Research Associate. She holds a MSc in Climate Studies from Wageningen University and Research with a specialization in Biogeochemical Cycles, and previously obtained an interdisciplinary BSc in Earth Sciences. Before joining Impact Institute, she worked at Wageningen Environmental Research.

Bettina Schmiedler

Fellow

Bettina is a Research Fellow. She recently obtained her MSc in Law and Society: Governance and Global Development from Leiden University. Before moving to the Netherlands, Bettina worked as a Community Manager and Communications Lead at Impact Hub Hamburg. Her passion for promoting an impact economy already began during her undergraduate: Alongside studying Business Law and Business Psychology, she held leading roles at Enactus, a student initiative dedicated to Social Entrepreneurship. In her free time, Bettina enjoys writing poetry, dancing, and chasing tasty plant-based food.

Marketing & Communications

Simone van Klaveren

External Affairs, Marketing & Communications Manager

Simone van Klaveren is our External Affairs, Marketing & Communications Manager, after being our Coalition Manager for a year, working on the development and management of strategic international multistakeholder partnerships and building coalitions within different sectors. Before joining us, she worked in London at the Pioneers Post – the leading international social enterprise and impact investment magazine. She holds a Masters degree in Intercultural Communications from Utrecht University. Professionally, she’s passionate about social enterprise, advocating that both business and making positive social impact can (/should!) go hand in hand – and personally she’s passionate about everything animal-related.

Roosa Hakkarainen

Marketing & Communications Senior Associate

Roosa is a Marketing & Communications Senior Associate at Impact Institute. Her diverse background spans across the United States, Netherlands and Finland in impact-driven communications in NGOs, start-ups and small consultancies. She holds an MSc in Communication Science (Research) from the University of Amsterdam and a BSc in Political Science from the University of Turku, Finland. Her true passion is to convince, inform and educate people via creative means, such as writing and visual media, to build a just and sustainable world.

True Price Secondments

Claire van den Broek
Claire van den Broek

Managing Director

Claire is our Managing Director and works with the team on developing and managing partnerships with governments, universities, NGO’s and social enterprises. She has working experience in various roles and sectors: from marketing and business development in telecom and retail to Partnerships management for an NGO. Claire is a hands-on team player with the conviction that together with partners and in coalitions, transformative change can be realized.

Pietro Galgani

R&D Manager

Pietro is R&D Manager and leads the Data and True Price method development work. He is passionate about developing new ways to bring social and environmental data to decision makers. He has published on true pricing of food with the Scientific Group of the UN Food System Summit and is co-author of the True Price Methodology reports. He has a BSc in International Development and MSc in Industrial Ecology, and he loves gardening, music and food.

Hans Baumers

Strategic Data Scientist

Hans is a Strategic Data Scientist. Previously, he worked as a Senior Consultant in financial risk advisory at Deloitte Belgium. He also obtained a PhD in Mathematics at the University of Leuven, studying jumping numbers on higher-dimensional algebraic varieties.

Maurits
Maurits Appeldoorn

Team Lead

Maurits  is a Team Lead at True Price. He holds an MSc International Relations and Political Philosophy, specializing in democratic theory. He previously worked at a subsidy consultant and for ING Bank.

Estefania Marti Malvido

Associate

Estefania is a True Price Associate. Before joining Impact Institute, she worked as a research analyst with the Access to Nutrition Initiative (ATNI), an international NGO focused on benchmarking and private-sector accountability. She has a master’s in Public Policy and Administration specializing in Food from the University of Massachusetts Amherst. Before moving to the Netherlands, she completed an internship with the International Food Policy Research Institute. Estefania is passionate about practicing and teaching ashtanga yoga

Group Services

Anne Barendregt

Operations Manager and Director

Anne is Operations Manager and Director. She most recently worked as Operations Manager at Vitens Evides International, an international social enterprise. She holds an MSc in Civil Engineering.

Vicky Carreras

Chief of Staff

Vicky is the Chief of Staff, supporting governance, strategy and decision making. She has experience working in various corporate, academic and NGO roles, including communications, operations and leadership. Previously, she was the director of a global network of civil society organisations working on conflict prevention and peacebuilding. She holds an MBA in Social Entrepreneurship and is passionate about the energy transition; she is the co-founder of a small NGO supporting local communities to adopt renewable energy in the city.

Christoph Meier

Operations Officer

Christoph completed a master’s degree programme in Corporate Environmental Management at the University of Jyväskylä and holds a BBA in International Business and Management from the Hanze University of Applied Sciences, Groningen. During and between his studies, he completed different internships in the areas of supply chain management, vendor management, and humanitarian aid projects.

Martha Dani

Manager and Financial Controller

Martha has been working for 10 years in Finance, with experience as Financial Analyst and Investor Relations Analyst. Before joining Impact Institute, she worked as a Credit controller for IDEXX BV, and now she is ready to contribute to a more sustainable project.

Krishika Shetty
Krishika Shetty

Business Intelligence and Finance Support

Krishika graduated from Bocconi University, Milan with an MSc in Economics. She also holds a BSc in Economics from NMIMS university in her home country, India.

Meetali Srivastava

Office Manager

Meetali is an Office manager here at Impact Institute.

Linda Oosthuizen

Office Manager

Linda is one of the Office Managers within the Group Services team at Impact Institute. She is also a part of the IncluCie and ItCie committees, which focuses on inclusivity and IT related items. Before relocating to the Netherlands, Linda worked as the Social Media Manager and Marketing Assistant for Nikki Beach in Koh Samui, Thailand. In her spare time, Linda enjoys being out in nature with her longboard and is passionate about fire dancing.

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