Dennis Slier

Dennis Slier currently serves as Commercieel Directeur & Project Lead at NFIR BV since January 2019, specializing in incident response, digital forensic investigation, security consultancy, penetration testing, security monitoring, cyber awareness, social engineering, private investigation, and red teaming. Previously, Dennis held managerial positions at Dunck Loyalty Marketing, focusing on commercial growth and operational leadership, and co-founded Getsby Life, a fintech solution aimed at enhancing banking services for specific target groups. With a strong background in operational excellence at Sparco International B.V. and entrepreneurial experience from founding Oxalis Cartridge Trading and Aspire Consultancy, Dennis has cultivated a diverse skill set in management and consultancy across various industries. Educationally, Dennis has acquired qualifications from institutions such as Security Academy and Erasmus University Rotterdam, highlighting a commitment to continuous professional development in strategic account management and loyalty programs.