Achim Weiss has more than 25 years of experience in the Internet industry. As CEO of IONOS, he is responsible for the Group’s overall strategy and product development. Achim Weiss…
Achim Weiss has more than 25 years of experience in the Internet industry. As CEO of IONOS, he is responsible for the Group’s overall strategy and product development. Achim Weiss is an expert in the field of massive scalable internet infrastructures. In 1995, he co-founded Schlund+Partner, the German web hosting pioneer based in Karlsruhe, Germany, which was acquired by 1&1 in 1998.
From 1998 to 2008, he worked as Chief Technology Officer at 1&1 Internet AG, during which time he developed, among others, the first web hosting platform for the fast-growing mass market and was responsible for the construction of three data centers in Germany and the United States.
In 2010, Achim Weiss founded ProfitBricks in Berlin, the first German company focusing on cloud infrastructure (IaaS). Following the merger of ProfitBricks into 1&1 IONOS in 2018, Achim returned to the management board, and was appointed CEO of IONOS in October 2018.
Chief Financial Officer
Patrik Heider
Patrik Heider is CFO at IONOS in January 2026 and can look back on a long career in management and finance positions. Most recently, he was CEO of NFON AG, a Europe-wide provider…
Patrik Heider is CFO at IONOS in January 2026 and can look back on a long career in management and finance positions. Most recently, he was CEO of NFON AG, a Europe-wide provider of AI-supported corporate communications. Prior to that, he headed the software companies Thinkproject and riskmethods as CEO and was spokesman for the executive board and CFOO of Nemetschek SE, where he accompanied significant growth and transformation processes.
Heider began his professional career at PwC Consulting after studying business administration at the University of Applied Sciences in Konstanz, and later became CFO at the Hoffmann Group in Munich, a leading supplier of quality tools. With his extensive experience in strategy, finance, and corporate management, he will play a central role in the further development of IONOS.
Chief Commercial Officer
Dr. Jens-Christian Reich
Dr. Jens-Christian Reich has been Chief Commercial Officer and Deputy Chairman of the Management Board since July 2023. In this position he is responsible for all marketing and…
Dr. Jens-Christian Reich has been Chief Commercial Officer and Deputy Chairman of the Management Board since July 2023. In this position he is responsible for all marketing and sales activities of the IONOS group. Jens Reich has many years of experience in leading tech companies with focus on marketing and sales, growth and tech as well as customer acquisition, retention and reengagement.
Jens Reich holds a PhD in business administration from RWTH Aachen University, Germany.
From 2007 to 2018, he had various positions at the Boston Consulting Group, Zalando and the European omnichannel optician Mister Spex. From 2018 to 2023, he was Chief Marketing Officer and Managing Director of the food delivery service Hello Fresh Inc. in the US, where he was responsible for the growth of the US business with focus on Marketing, Brand and Sales as well as Growth and Tech for new and existing customers.