Peter Arbitter has over three decades of experience in the ICT industry, holding senior leadership positions across Siemens, T-Systems, Microsoft, and Deutsche Telekom. His career spans strategy, sales, data center operations, cloud, enterprise technology, networking, and product management. At Siemens, he held various management roles before becoming CTO of the IT unit. He later served as Vice President of IT and Cloud Portfolio at T-Systems and led technical support and the Cloud & Enterprise business group at Microsoft Germany. Returning to Deutsche Telekom in 2016, Arbitter led the B2B product division and oversaw major Enterprise Networks and SDx organizations with several thousand employees. In 2023, he began developing the cross-group Magenta APIs business unit. Since March 2025, Arbitter has served as Chief Commercial Officer at Aduna, the joint venture between Ericsson and leading global telecommunications operators.