Katsuhisa Suzuki joined SoftBank Corp. in 1991. After working in software distribution, ASP business planning, new business planning, joint ventures, and incubation promotion, Suzuki was responsible for overseeing the company's corporate cloud operations. He was instrumental in launching "White Cloud ASPIRE".

In May 2018, Suzuki was appointed President and CEO of IDC Frontier Inc., where he is currently in charge of data center and cloud business development as SoftBank's digital infrastructure strategy company. In the same year, he was appointed as a director of the Japan Data Center Council. In April 2024, he also served as Vice President of SoftBank Corp.'s Data Center Development Division Head from April 2025, he served as Vice President of the Digital Infrastructure Development Division Head.