Meet the Marbles.
We’re a team of high-energy, passionate, and transparent go-getters with deep roots in the finance world. With years of experience in scale-ups and fast-paced environments, we know what it takes to keep up with rapid growth. Many of us started out in BIG4 audit firms, where we gained hands-on expertise, best practices, and an insider’s view on avoiding common pitfalls.
But our journeys didn’t stop there. After our audit training days, we spent time in business, learning how to build and streamline processes while keeping up with the fast pace. We’re here to bring that same drive, dedication, and expertise to your team—helping you stay on track and aim high as you grow.
Myrna van Tuijl
CEO & Co-founder
“High vibe & change addict! Love to motivate people to reach the same goal. Helping others grow is my purpose. Combining all our experiences to help our clients make us unstoppable”.
Mike van Dalen
COO
“I have a drive to achieve goals , I’m open minded and innovative. I am high on energy if there is a complex puzzle to solve. I always have new ideas on how to crack the code”.
Lisa Koppers
Marble Manager
“Always on the lookout to make things better. Using my strong analytical skills in optimizing processes so they operate smoothly, while solving problems at their source”.
Menno Koehler
Senior Consultant
“Like the Romans, I also see risks as opportunities as there is always something to learn or discover from new experiences”.
Kareem de Jong
Senior Consultant
“My approach is people-driven, focused on building genuine connections and fostering teamwork to achieve shared goals with quality and excellence. By truly understanding problems through attentive listening and insightful questions, I work toward solutions that drive growth—both personally and professionally.”
Frits Wegelin
Marble Manager
“Happy, reliable and rational. I know what a well-organized and mature business should look like, and how to work together with you to make your business future proof”.
Simone Lucassen
Senior Consultant
“You will see me smile a lot, and with my optimistic nature I see opportunities instead of obstacles. I am goal driven and like to create improvements”.
Rianne Groenhart
Marble Manager
“Enthusiastic, creative and down to earth. At Marble both my strategic and creative mind can come together in helping inspiring companies thrive”.
Thijs Boonen
Senior Consultant
“Flexible, reliable and always eager to help you solving your company’s most challenging financial puzzles”.
Marfred de Leeuw
Co-founder
“Diving into a new challenge, building a business or cooperation, is what I love doing. Either for myself or my client”.
Patrick Nieuwenhuizen
Senior Consultant
“Data is like sunlight: too little and you’re lost, too much and you’re blinded.”
Adriaan Bruin
Marble Consultant
“I thrive on maximizing every moment to deliver what the company craves. Whether it’s lending a hand, brainstorming or being a supportive teamplayer. I am all in”!
Oshadi Hewawasam
Teambooster
“Trying new things, getting to know new people, and putting my all into something gives me energy”.
Jason Ehlers
Senior Consultant
“Every challenge I tackle is a chance to use the skills I’ve honed. It’s not just about solving problems; it’s about enjoying the journey of continuous growth and achievement”.
Zoë Kuijlenburg
Marble Consultant
“Spontaneous, energetic, and driven—I love diving into complex challenges and helping others navigate them with confidence. Open, consistent communication is at the heart of everything I do. I enjoy connecting with people, building trust, and turning financial complexity into clear, actionable decisions. For me, it’s all about creating real impact through strong relationships and sharp insights.“.
Neil Roode
Marble Consultant
“Numbers tell a story, and I’m driven by uncovering it. Beyond the results lies the path that created them. I thrive on turning insights into sound business decisions that drive success. Because understanding the numbers is what makes impact possible.”
Rozanne Johnson
Marble Manager
“I love making magic happen in fast-moving environments by building strong teams, fueling continuous learning and forming meaningful connections. The numbers are key, but it’s the people behind them that really make the difference.”
Explore more relevant examples and insights
Reviews
Don’t take our word for it. Read the reviews from our customers. As our mission states, ‘We unlock the power of numbers to fuel the dreams of changemakers.
Cases
This is what truly makes our hearts beat faster: being part of the client’s team, achieving measurable results, gaining deeper insights, reducing time-consuming tasks, and being ready to further grow!
Blog
Stand on the shoulders of giants, they say. Read interviews with scale-up CFO’s, auditors and find other must-know facts when growing your business.
Need solid financials?
Let’s discuss your needs and any finance questions you might have. Book a speed advice call!
