"We cannot solve our problems with the same thinking we used when we created them" ~ Einstein

About D3cisive

A combination of C-level expertise

Marijn de Jong, Remi Caron, and Madelein Smit joined forces in 2017 to help your company or venture re-initiate growth. Their combination of C-level technological, financial, and managerial expertise allows for rapid decision making and executional excellence.

What do we do?

We provide you with a co-creation team or interim leadership. Let's build and validate the first version(s) of your business, Scale your start-up, or address your growth challenges in a corporate environment (financially or technically).

Driven by your goals

Our services are driven by the goals you have set for your company. We strive to help you make fact-based decisions and determine a roadmap to reach your goals.

Telling you what you need to hear

We will ask the questions that need to be asked, nothing is sacred. We will tell you what you need to hear, not what you want to hear.

Starting, Growing, Changing is never frictionless, the sooner you learn the faster it will go.

Experience mixed with a modern vision

Our young professionals are digitally born and look at the world through a different lens. This element in the mix with the experience that is on board strikes a nice balance in a world that evolves at a mind blowing pace.

Do or do not, there is no try

We get stuff done! We are pragmatic and hands-on, together we will find a way to start, grow or change.

The Team

Learn about the team members.

Yannick Caron

Partner

digital product strategy & frontend development

A strategic thinker and problem solver with a knack for turning complex ideas into clear, effective software. Yannick specializes in building robust, scalable systems—whether it’s MVPs, mobile apps, or large-scale platforms.

Skilled in React, Vue, React Native, and TypeScript, his approach ensures clients receive software that is both technically sound and strategically aligned with their business goals.

Clarity, efficiency, and strategic focus are what clients can expect.

Profile picture of Yannick Caron, associate at D3cisive

Thomas de Jong

Partner

Solution Architecture & Backend Development

A pragmatic software architect with a focus on building secure, scalable backend systems that last. Known for translating complex business needs into clear technical solutions with long-term impact.

Skilled in Python, FastAPI, SQL/NoSQL, DevOps, and cloud architecture, with a strong eye for system integrity and performance.

Clients value clarity, reliability, and a no-nonsense approach to solving real software challenges.

Profile picture of Thomas de Jong. associate at D3cisive

PArtner

CTO & Strategy

A hands-on IT executive with over 30 years of experience turning ideas into impactful business solutions. He's passionate about driving growth through a clear strategy, applying technology smart, and strong leadership.

Whether it’s applied AI, (cloud/hybrid) infrastructure (re)design, or SaaS implementations — you name it, he's done it. With a background in Business & IT (MBA), and executive programs at MIT and THNK, He thrives on connecting innovation with real-world results.

Equally at home in startups and large corporations, he takes on interim and transformation roles with a focus on collaboration, outcomes, and impact — supported by a global network of top-tier experts.

Profile picture of Remi Caron, partner at D3cisive

Marijn de Jong

PArtner

Investments, Finance & Legal

Growth, Funding, M&A, and Innovation.Proficiency in (new) business development, scale-ups, restructuring and strategic planning, enabling companies to navigate growth and transformation.

Strategic approach, coupled with a commitment to (ESG) reporting and compliance. Shaping innovative, sustainable business models that resonate with industry standards and stakeholder values.

Profile picture of Marijn de Jong, partner at D3cisive

What can we do for you?

Schedule a meeting with us to discuss how we can help your business re-initiate growth.