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Valentyn Sysoiev

Director, Technology & Transformation

Valentyn is a Director with Deloitte’s Cyber, Risk, and AI Security practice with 20+ years of experience. Having a proven track record helping enterprise clients across financial services, telecom, energy, and retail to reduce cyber risk, achieve regulatory compliance, and strengthen operational resilience.

Valentyn specializes in building and scaling global cybersecurity programs, leading complex cyber transformations, and launching AI-driven security capabilities. Core expertise spans cyber governance, risk management, cyber M&A, data protection, BCP/DR, and secure GenAI/Agentic automation. Deep knowledge of leading frameworks, including ISO 27001/27701/22301/42001, NIST CSF/800-53, PCI DSS, SOC 1/2/3, COBIT, ITIL, and CMMC.

Valentyn leads Deloitte’s ISO Center of Excellence and Cyber AI practice, driving innovative solutions integrating AI technologies into cybersecurity services, such as AI-driven automation, risk assessment, and governance frameworks. His strategic insights and technical depth enable him to effectively guide organizations through complex cybersecurity challenges and AI-driven transformations,​ providing strategic guidance and best-practice implementation aligned with international cybersecurity standards.