Peter Arbitter

Peter Arbitter has been active in the ICT industry since 1991. He began his career as a freelancer and later served as CFO of a mid-sized service company. He then spent twelve years at Siemens AG in various management roles, including strategy for the COM business unit, telco sales for the IT unit, data center operations within the outsourcing business, and ultimately as CTO of the IT unit. In 2009, Arbitter joined T-Systems GmbH as Vice President of the IT and Cloud portfolio. Two years later, he moved to Microsoft Deutschland GmbH, where he led technical support for enterprise customers in the DACH region and later headed the “Cloud & Enterprise” business group. In 2016, Arbitter returned to Deutsche Telekom to lead the B2B product division, overseeing the “Enterprise Networks” and “SDx” units, both multi-billion-dollar organizations. In 2023, he began building the group-wide Magenta APIs business unit. Since March 2025, he has served as Chief Commercial Officer at Aduna.