To achieve global business objectives, to secure products and protect services Roger define best practices by sharing his deep knowledge with key stakeholders as well as by using his advanced analytical skills. He furthermore solves complex problems or problems that do not have routine solutions and takes a new perspective. In many projects with challenging risks and resource requirements and data privacy aspects he act as an advisor and mentor within the team and beyond to contribute to the direction of all disciplines. Roger is also a member of the Merck KGaA IT-Commission to ensure conformance of information technology projects with the needs of workers council and data privacy office.

Before joining Merck KGaA, he worked in various consulting companies and was in leading positions such as CIO and Principal Consultant responsible for the areas of consulting, business development, key account management, penetration testing and  security architecture. Furthermore he was booked as an instructor, mentor and coach. For more than ten years now he has speaker engagements at national and international security conferences and working groups (e.g. BruCon, Paranoia, IT-Underground, Troopers, DayCon) and present various security topics regarding cloud security, cyber-attacks, IoT security and advanced persistent threats to teach a broad range of security professionals.

Besides his professional career Roger lectures the “Mobile Computing” master degree course in "Cloud Computing and Service Architectures" as adjunct professor at the University of Applied Sciences, Worms, Germany to share his knowledge with the next generation computer experts.