
From ERP to CRM: Toru Koyama on Transforming Japanese Retail
Recorded live at NRF APAC 2026, this episode features Toru Koyama, Executive Officer & Head of IT and Digital Promotion Group at H2O Retailing Corp., and Executive Officer & GM of Digital Innovation Division at Hankyu Hanshin Department Stores, Inc. In this conversation, Toru shares H2O Retailing’s transformation journey — from backend IT and ERP foundations to CRM, unified commerce, retail media, customer data platforms and AI-powered customer communication.The central idea is the “communication retailer”: a retailer that does not simply sell products in-store, but builds trusted, permission-based relationships with customers across stores, e-commerce, data, service and AI-enabled interactions.Guest BioToru Koyama is Executive Officer & Head of IT and Digital Promotion Group at H2O Retailing Corp. and Executive Officer & GM of Digital Innovation Division at Hankyu Hanshin Department Stores, Inc. His background includes roles at IBM Japan, Pfizer and PwC, and he previously served as President & Representative Director of Isetan Mitsukoshi System Solutions, where he led structural reforms. He assumed his current H2O Retailing roles in April 2021 and has been associated with the company’s group-wide digital transformation.












