Kosei Takiishi is a Senior Director Analyst in Gartner's CIO & Industries Research organization. He focuses on the Communications Service Provider (CSP) industry and specializes in researching CSP network infrastructure technologies, strategy, and priorities for CSP executives such as CIOs, CTOs, and CTIOs. His coverage spans various areas, including technology strategy for CSPs (4G/5G/6G/Open RAN/vRAN/cloud RAN), modernization of CSP network infrastructure, and enterprise business monetization including private 4G and 5G. His research and advice are geared towards identifying and applying technologies, products, and practices to drive network modernization, enhance competitiveness, and facilitate digital transformation.
Before joining Gartner, Mr. Takiishi was a Senior Engineer responsible for mobile device development and frequency strategy at NTT Docomo. Prior to that, he was in the company's global business division to launch international roaming services (LTE, Wi-Fi, M2M) and contribute to GSMA standardization activities. He also worked as a researcher in NTT Docomo's laboratory to develop radio propagation algorithms, M2M and positioning systems.
NTT Docomo, Senior Engineer, 13 years
Communications Industry Technology Insights
Technology Market Essentials
Create Tech Solutions for the Communications Industry
B.E., Electrical and Electronics Engineering, Tokyo Institute of Technology
Mobile infrastructure (LTE/4G/5G/6G) and network virtualization and cloudification including Open RAN, vRAN, and cloud RAN
Radio frequency strategy for mobile communications
Technical impact assessment of wireless innovations
M2M/IoT connectivity, including low power wide area (LPWA) networks
5G monetization and business case development