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— ABOUT US

Where Purpose Meets Performance. We are Shaping the Future of Sustainable Real Estate Investment.

At the heart of our work lies a clear purpose. To create lasting impact through sustainable, data-driven real estate investments. We believe that performance and responsibility go hand in hand. By combining institutional governance with entrepreneurial execution, we manage and transform assets that meet the highest ESG standards while delivering solid, long-term returns. Our vision is a Western Europe where every investment contributes not only to financial growth but to a more resilient, responsible future, for investors, communities, and generations to come.

— OUR CORE VALUES

The Foundation of our performance

Our service is driven by four core pillars that guide every decision we make. They define how we operate, how we collaborate, and how we create lasting value. These principles ensure that our performance remains consistent, reliable, and focused on delivering real results.

01. Data-driven performance

We make every decision backed by data and measurable insights. Our approach ensures accuracy, efficiency, and continuous improvement across all operations, driving tangible results and sustainable growth.

02. Institutional governance

We uphold the highest standards of governance and compliance. With structured processes and clear accountability, we operate with integrity and discipline in every aspect of our work.

03. Hands-on execution

We don’t just strategize — we deliver. Our team is actively involved in every phase of execution, ensuring that plans translate into real-world impact through precision, agility, and commitment.

04. Transparent reporting

We believe in complete clarity and openness. Our reporting provides full visibility into performance, processes, and outcomes, fostering trust and alignment with all stakeholders.

— OUR TEAM

Meet the team

A compact, senior team combining institutional experience with entrepreneurial agility. Experienced, accessible, and accountable. We deliver measurable value through hands-on execution and transparent collaboration.

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Marcel Calame

Partner

Brings decades of leadership and deal-making experience across real estate investment, development and portfolio management, with a strong focus on building resilient, long-term platforms. As CEO, he provides strategic direction and governance oversight, guiding investment strategy, capital allocation and stakeholder alignment to ensure sustainable portfolio growth. Marcel has an extensive track record in structuring and executing complex real estate transactions and overseeing large-scale development and transformation projects. He is strategically involved in large-scale residential and healthcare investment projects across both the Dutch and German markets and acts as an active strategic partner in value-add portfolios, consistently driving optimal risk-adjusted returns through disciplined execution, institutional-grade processes and long-term value creation.

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David Maarse

Partner

Combines MSc Financial Economics and LL.M. Corporate Law with hands on ownership in development and investment platforms to originate, structure, and execute institutional grade healthcare and residential deals with tight governance, reporting, and downside protection. Delivers 750 residential transformation units in development and ±1,500 residential and healthcare units in pipeline, with transaction experience alongside US REITs, Israeli institutional investors, and German real estate partners, and leverages proptech through co-founding/investing in several proptech initiatives to drive data driven asset operations.

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Joost Sars

Partner

Applies deep expertise in institutional asset management to maximise operational performance and long-term value across real estate portfolios, with a strong focus on value creation within existing assets and ongoing operations. Joost specialises in identifying and executing asset-level optimisation strategies across leasing, cost structures, capital expenditure, ESG improvements and stakeholder coordination. He has extensive experience working for and alongside institutional investors, managing and advising on portfolios of up to 12,000 residential units, and brings a disciplined, data-driven approach to asset management, governance and transaction support aimed at delivering resilient, long-term investment outcomes.

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Oliver Martens

Partner

Leads the construction and development execution of projects, translating strategic and visionary concepts into practical, high-quality and future-proof real estate solutions. Oliver is responsible for managing the full development lifecycle, from feasibility and design coordination through procurement, construction and delivery, ensuring projects are delivered on time, within budget and in line with institutional quality standards. He plays a key role in the development and delivery of approximately 750 residential transformation units currently under development, as well as a pipeline of approximately 1,500 residential and healthcare units, working closely with investors, consultants and contractors to support disciplined execution, cost control and long-term value creation. In addition, Oliver brings many years of hands-on experience in investment, asset and technical management through his family office, which has been active for over 50 years and is specialized in the residential market as well as single- and multi-tenant office assets. Continuity, strong stakeholder management, a forward-looking strategy, and maximizing long-term returns are central to its approach.

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Maud Calame

Business Manager

Brings strategy and execution together, ensuring that organisational processes, reporting structures and internal coordination run efficiently. Maud supports the management team by streamlining workflows, safeguarding governance standards and enabling the team to focus on delivering high-quality outcomes

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Martijn Knops

Senior Technical Manager

Brings over 20 years of experience in technical asset management, with a strong focus on healthcare and social infrastructure real estate. Martijn has extensive expertise in maintaining and enhancing complex, regulated assets, ensuring continuous compliance with technical, safety and sustainability requirements while safeguarding operational continuity. He has worked for and on behalf of institutional investors and portfolios, overseeing long-term maintenance strategies, capex planning, technical due diligence and ESG-driven upgrades. His hands-on and detail-oriented approach ensures that assets remain resilient, future-proof and perform optimally throughout their lifecycle.

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David Oudega

Development Manager

Combines project development expertise with AI-driven innovation to support smarter, data-informed decision-making across the portfolio. David plays a key role in coordinating development processes, analysing project data and enhancing efficiency throughout the development lifecycle.

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Rutger Bos

Asset Manager

Ensures stable operational performance and sustainable long-term value growth across the healthcare and social real estate portfolio. Rutger focuses on day-to-day asset oversight, performance monitoring, and the implementation of asset-level optimisation initiatives aligned with institutional investment objectives. He holds a bachelor’s degree in Business Administration and brings a strong analytical background from his previous role as a data analyst, enabling data-driven and financially grounded decision-making across the portfolio.

— MEASURED IMPACT

Our Story in Numbers

10.000+

Square meters developed

Delivered across healthcare and social real estate assets.

4

Operating countries

Active asset management across multiple leading European markets.

€100m+

Gross development value

Institutional-grade projects with long-term value creation.

— OUR LOCATION

Located for global reach

With a presence in both Eindhoven (Brainport region) and Rotterdam, we are rooted in two vibrant European regions where innovation, global trade, and cultural diversity naturally converge. These locations connect us to a dynamic network of ideas, talent, and international opportunity. Enabling us to operate confidently at the forefront of tomorrow’s economy.

Image by Daniel Agudelo

— CONTACT

Let’s Talk Real Estate Performance

We operate from our offices in Eindhoven and Rotterdam, serving institutional investors and partners across Western Europe. Whether you’re exploring a new investment, seeking asset management support, or looking for a development partner, our team is ready to connect.

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