Dennis Krzyzaniak

Dennis Krzyzaniak is a seasoned security professional currently serving as the Senior Director of Security Engineering at Delivery Hero since September 2024. Previously, at SumUp, Dennis held several key positions including Head of Security, where responsibilities included evaluating security maturity, driving security initiatives, and leading a global team of information security professionals. Notable achievements include maintaining an information security policy framework aligned with ISO 27001, ensuring compliance with payment security requirements such as PCI DSS, and establishing security monitoring and vulnerability management processes. Earlier experience includes roles as an Information Security Officer and Security Software Analyst at SumUp, along with positions at Conworx Technology GmbH and Ingenico, focusing on embedded systems and security software engineering. Dennis holds a Diplom Mathematician (FH) from Beuth University of Applied Sciences.