With over 20 years of experience driving business, digital, and IT transformations in the B2B sector, Christine Knackfuß-Nikolic is committed to translating technology into tangible business results while inspiring and empowering teams. In her role as Chief Sovereignty Officer on the T-Systems Executive Board, she defines and implements a company-wide sovereignty strategy and value propositions aligned with customer-specific, regulatory, and geopolitical requirements. As Head of Security Business, she manages the P&L of security operations at T-Systems across more than 10 countries on three continents, leading a team of 420 employees to deliver revenue and EBITDA growth that exceeds the market. Previously, as CTO and board member at T-Systems, she led the global technology strategy and portfolio innovation. Her career also includes senior positions at Telekom Deutschland, Accenture, and BMW. Christine combines strategic thinking, operational excellence, and strong employee focus to achieve sustainable growth and market success.