After engaging in the planning, standardization, and interconnection negotiations of communication services within the Technology Planning Division at SoftBank BB, Mr. Yamanishi transitioned to the IT headquarters of Nissan Motor and Santen Pharmaceutical. There, he spearheaded the establishment of cybersecurity groups and led large-scale organizational transformations. Since 2021, he has been with Olympus, where he is currently driving the global organizational integration and transformation of the Information & Cyber Security Governance department as Global CISO.