About us

Loopwise offers sustainable, pragmatic solutions for a circular economy. Our versatile team of independent advisors combines expertise in economics, law, logistics, ict, policy, and communication to genuinely advance your organization. From strategy to implementation, we deliver solutions that work.

What makes us unique

Multidisciplinary

We have all the expertise in-house to connect strategy and implementation.

For example producer responsibility (EPR), the environment, social cost-benefit analysis, governance, deposit schemes, tariff differentiation, eco-modulation, pay-as-you-throw systems, development and support of ICT systems, market research, waste management performance, data analysis, monitoring, communication, policy development, (inter)national laws and regulations, quality management systems, the CO2 performance ladder, or communication.

Experience that matters

With projects across various sectors, including textiles, automotive, tires, packaging, batteries, electrical appliances, diapers, and (household) waste, we combine consulting with practical experience. From prevention and collection to recycling – we understand the realities of the industry.

Sectors such as textiles, automobiles, tires, packaging, batteries, electrical appliances, diapers, and (household) waste.

Analytical yet practical

We listen intently, quickly identify the core issues, and effectively align content, interests, and objectives.

Nice to meet you

Marijn van der Maesen

Advisor and Initiator at Loopwise

“I am dedicated to helping others and finding solutions, even when challenges seem insurmountable. I believe that every small step contributes to progress.”

My strength lies in tackling complex issues related to waste management, resource efficiency, and social entrepreneurship. With passion, I drive innovative initiatives, ensuring buy-in and implementing sustainable solutions that are feasible.

I quickly analyze situations and work with a results-oriented approach. By bridging strategy and practice, I help organizations and individuals make meaningful advancements together. I am positive and enthusiastic, while also being critical and sharp when necessary. Clients and colleagues see me as engaged and energetic, someone who is eager to provide that extra push to turn ideas into action.

Max Starr

Advisor and Initiator at Loopwise

“Sustainable change is achieved by connecting parties and fostering collaboration.”

I believe that the most significant changes come from within. In my work, I strive to implement structural improvements in strategic areas to maximize the impact of my efforts. Whether it involves enhancing internal processes or making product supply chains more sustainable, every step counts.

I thrive when faced with challenges, such as differing interests or political dynamics. By maintaining a clear direction and having contingency plans B and C at the ready, I can remain adaptable at any moment. Additionally, I possess strong analytical and problem-solving skills. I always aim for a positive and approachable demeanor, ensuring that discussions are conducted in a pleasant and energetic atmosphere.

Leontine Westerik

Advisor and Initiator at Loopwise

“I excel at connecting people and building bridges between perspectives and interests. I believe that mutual interest and understanding of each other’s viewpoints are the keys to success.”

With my hands-on experience in waste management and resource recovery, gained from working both with local governments and organizations focused on producer responsibility, I combine this knowledge with strong consultancy expertise. I navigate smoothly within the dynamics of organizations, governance, politics, and stakeholder relationships, always with a focus on feasibility and practical results.

My approach is energetic, open, positive, and engaged, characterized by responsibility and independence while creating space for others. I act with integrity and dedicated to fostering long-term partnerships.

Leanne Janssen

Advisor

“With a strong focus on people, processes and performance, I connect policy with practice – always aiming for results and effective collaboration.”

I help organizations implement (ISO) management systems as strategic tools for steering and improvement, with a strong focus on quality, sustainability and continuous improvement.

By translating legislation and standards into practical implementation, I support companies in structuring their operations, managing risks and identifying opportunities within an increasingly complex regulatory environment.

Marjan Middelhoff

Advisor

“What you don’t know, you can’t change. By connecting narratives, building support, and clearly communicating solutions, we can collectively make an impact.”

With a focus on collaboration and shared goals, I establish connections and identify opportunities to translate strategic objectives into a communication strategy that emphasizes the “what’s in it for me” for the target audience.

My strength lies in maintaining an overview, reaching target groups, and effectively conveying messages. Colleagues appreciate my strategic yet pragmatic approach, combined with humor and a sense of perspective. I enjoy working together on both short- and long-term solutions aimed at a more sustainable future.

Luna Kemper

Junior advisor

“With full energy and genuine passion, I connect and inspire people to create real impact together – on the path to a future-proof world.”

With a background in Global Criminology and a specialization in environmental crime, I approach sustainability and societal challenges with a fresh and critical perspective. Drawing on my experience in advising on and raising awareness of sustainability issues, I enjoy helping organizations take meaningful steps toward a circular future.

Maud van der Sloot

Junior advisor

“With a people-oriented and creative perspective, I help organizations take steps towards sustainability. In this way, we work together towards a better future.”

I am studying Public Administration and delve into how policy, organizations, and people shape societal issues together. In doing so, I have learned how to creatively solve a problem from various angles. This is essential for developing practical sustainability choices.

Alex van der Schalk

Advisor

“Assisting clients in achieving their sustainability goals in a practical and meaningful manner.”

I enjoy aligning strategic objectives with operational feasibility in the areas of resource conservation and waste recycling. My aim is to navigate a complex landscape of data, regulations, and opinions to find the right direction. My commitment is diverse, ranging from specific data analysis to the practical organization of operations.

Clients appreciate my expertise and my ability to quickly understand new organizations and unfamiliar topics. I quickly establish the right focus while keeping the larger objective in sight.

Mathilde Elvers

Junior Advisor

“I use my creativity and enthusiasm to contribute to a more sustainable world. Research, collaboration and connecting people are central to the way I work.”

I am pursuing a degree in Computational Social Science, where I research technical solutions for social issues. I enjoy combining my experience in data analysis and technology with a human-centered approach to advise and support companies in making sustainable choices.

Eliza Dias -Carrasqueira

Junior Advisor

I am studying Radiotherapy and am actively involved in various activities and work to further my personal development. I aspire to make a positive contribution to society, and therefore place great importance on knowledge and experience in the field of sustainability.

Hidde Griffioen  

Junior Advisor

I am studying Law and Philosophy, two disciplines that focus on circularity and sustainability. By adopting both a legal and philosophical perspective, I can make careful moral and practical considerations regarding these critical themes.

Rosalie Kies  

Junior Advisor

I am studying International Relations and Organizations and engage daily with global issues. Sustainability and a circular economy are natural interests of mine. I am pleased to be part of an organization that actively commits to these important topics.