• Go to content
  • Go to footer
  1. Homepage/
  2. Resources/
  3. News/
  4. Georgios Sarigiannidis new Chief Executive Officer
News

ORTEC appoints Georgios Sarigiannidis as new Chief Executive Officer

Zoetermeer, The Netherlands – ORTEC, the global provider of decision support software and data science capabilities, is pleased to announce the appointment of Georgios Sarigiannidis as its new Chief Executive Officer, effective January 1st, 2025. Georgios Sarigiannidis succeeds Michael van Duijn, who, after 30 years of service at ORTEC of which 7,5 years as CEO, has decided to pursue new horizons outside of ORTEC.

Nov 19, 2024

During Michael van Duijn's tenure, ORTEC developed into a globally leading company providing decision support technology in the fields of Supply Chain Planning, Workforce Management and Data Science & Consulting with 1000+ employees and €160M in revenues. Under his leadership, more focus was added to ORTEC’s solutions portfolio, while transitioning to a SaaS company with impact creation as its main driver. To prepare ORTEC for long-term growth, the organizational set-up was restructured and a strategic investment from Battery Ventures was secured to support mergers & acquisitions to accelerate for customers and the world around us.

The ORTEC Board wants to express its great gratitude to Michael van Duijn for his remarkable leadership and tremendous contribution during his three decades of service and wishes him all the best with his future endeavors. With Georgios Sarigiannidis, the Board is confident to have selected the right person to lead ORTEC into the next phase of growth acceleration. His broad and extensive experience within ORTEC and focus on impact delivery, perfectly aligns with ORTEC’s strategic direction.

Georgios Sarigiannidis joined ORTEC more than 18 years ago and brings extensive experience to his new role as CEO in areas like global operations, sales, business development, and professional services, on a global scale. His proven track record of success in driving operational excellence, building business, and delivering customer-centric impact growth makes him an excellent fit to lead ORTEC through its next chapter.

Georgios Sarigiannidis

I am honored to take on this role at such an exciting time for ORTEC. My time as Chief Commercial Officer has shown me just how talented our team is and the real difference we can make together. At ORTEC, our love for mathematics isn’t just a passion - it’s what fuels us to tackle real-world challenges. Looking ahead, I’m committed to deepening our customer relationships and increasing the value we bring to their operations. Building on the strong foundation set by Michael van Duijn, I’m excited to work alongside our amazing people and take our impact to the next level.

For media inquiries, please contact ORTEC Corporate Communications ([email protected])

Make work flow

Our Impact

  • Products
  • Solutions
  • Customers
  • Academy (in Dutch)

Get in touch

  • Contact Us
  • About ORTEC
  • Careers at ORTEC
  • Resources

Stay updated

Sign up for our newsletter and benefit from our insights and digital magazine on a quarterly basis




© 2026 ORTEC
  • Legal Notice