Tamer Celen
Director Quantitative Research and AI

Tamer Celen joined KOEHLER GROUP in April 2023. After studying business administration at FH Nürtingen, he gained extensive experience in controlling in various companies in the retail and industrial sectors.

In 2011, Tamer joined Internetstores GmbH, where he established and significantly developed the trade controlling function in the e-commerce field. In 2022, he was appointed Vice President. In addition to his responsibilities in traditional controlling, he was in charge of building the internal data warehouse and leading the entire planning process of the Internetstores Group.

Since April 2023, Tamer Celen has been contributing his expertise to KOEHLER GROUP, leading the Quantitative Research and AI department.