Belgium’s banking and financial services sector is a cornerstone of the national economy, connecting millions of retail, corporate, and institutional clients while supporting international operations. Strong cybersecurity leadership is critical to protecting sensitive financial data, maintaining regulatory compliance, and ensuring operational resilience. The following Chief Information Security Officers are shaping the security posture of Belgium’s leading banks and financial institutions.
Stijn Neirinckx — Head of Information Security, KBC Group
Stijn Neirinckx is responsible for the information security officers across KBC Group’s Belgium business units, including KBC Bank, KBC Insurance, KBC Commercial Banking, international branches in New York, London, Italy, France, the Netherlands, Germany, Hong Kong, Shanghai, and Singapore, as well as daughter companies VAB, ADD, Group Re, Omnia, and KBC Autolease. His team advises senior management on maintaining an appropriate security posture and provides guidance across risk management, application security, vendor assessments, SDLC support, and awareness initiatives. Stijn’s leadership ensures KBC’s global operations remain secure, compliant, and resilient.
Geert De Haen — Chief Information Security Officer, CIB Belgium and Nordics
Geert De Haen brings extensive hands-on experience across operator roles, development, and project management. He has led teams of technical professionals including developers and analysts and has strengthened his expertise in business continuity and IT security. Geert holds both the Certified Information Security Manager (CISM) and Certified Information Systems Security Professional (CISSP) certifications, underlining his technical proficiency and strategic vision for safeguarding financial operations in Belgium and the Nordics.
Jolien Steuperaert — Lead Security Governance, ING Belgium
Jolien Steuperaert is a dedicated and enthusiastic professional with over 10 years of experience in IT risk management, information security, IT audit, and internal controls across financial services, industry, and non-profit sectors. Currently Lead Security Governance at ING Belgium, she focuses on applying frameworks such as COSO, COBIT, SOX, and ISO 27000 to ensure effective governance, risk management, and compliance. Jolien combines pragmatism with strong interpersonal skills to translate security requirements into actionable and business-aligned outcomes.
Matthieu Walter — Head of IT Security, Degroof Petercam
Matthieu Walter leads IT security at Degroof Petercam, bringing deep expertise in network security, UNIX system engineering, and technical problem-solving. With a strong interest in reverse engineering and hands-on security challenges, Matthieu thrives on solving complex technical problems while ensuring robust security operations for Degroof Petercam’s banking and investment services.
Ivan Costermans — Chief Information Security Officer, Argenta
Ivan Costermans serves as Chief Information Security Officer at Argenta, a Belgian bank-insurance group headquartered in Antwerp serving millions of clients across Belgium, the Netherlands, and Luxembourg. He has held leadership roles within Argenta, including Lead IT Security Officer and Director of Information Risk Management, providing deep institutional knowledge of the organization’s risk posture and cybersecurity strategy. Ivan began his career in SAP consulting and technology risk services at Ernst & Young, giving him broad experience with enterprise systems and large-scale IT environments.
Safeguarding Belgium’s Financial Backbone
These Chief Information Security Officers exemplify the leadership, technical expertise, and strategic vision required to protect Belgium’s banking and financial services sector. Their work ensures that sensitive data, operational systems, and international operations remain secure, compliant, and resilient in an increasingly complex and regulated environment.