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Tentamus Group appoints Eva-Aster de Gier as Chief Operating Officer

Eva Aster (2)
Feb 27, 2026

We’re pleased to announce that Eva-Aster de Gier will be appointed Chief Operating Officer (COO) effective March 1, 2026.

Eva-Aster previously served as Tentamus’ Director of Operations, where she played a pivotal role in building our operational excellence network, modernizing core operational processes, and positioning the organization for efficiency and scalability.

In her new role, Eva-Aster will join the company´s Executive Management Team and assume responsibility for our Operations, Quality, Procurement and Group IT teams.

“Eva-Aster combines deep operational expertise with executional capacity, enabling her to effectively work with our global teams in our ambition to continuously improve the services we provide to our customers,” said Dr. Christian Rebhan, CEO. “We welcome Eva-Aster to our executive management team and wish her all success within her new role.”

Eva-Aster commented on her new role:
“I am truly honored by the trust placed in me and excited to embrace this new role. I look forward to working closely with all teams, strengthening collaboration, and building on the strong foundations already in place to drive growth and sustainable success across Tentamus Group.”

This appointment reflects Tentamus Group’s belief in the important role that continuous improvement, operational excellence as well as digitalization will play within the next phase of our company´s growth. We wish Eva-Aster and her teams all success and look forward to the positive impact that they will have for our company and our customers alike.

 

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