Tatsuya Igarashi
Service Delivery Manager, Rimimi Manage, SAP at Rimini Street
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolTatsuya Igarashi is a seasoned SAP-focused IT leader with over two decades of experience delivering ERP transformations, mergers, and enterprise IT governance across multinational environments. Currently a Service Delivery Manager for SAP at Rimini Street, he has led SAP implementations, migrations and PMO functions for clients including Air Liquide, Tata Consultancy Services and Cognizant. His background blends hands-on system engineering and SAP development with strategic portfolio control, vendor management, and ITIL-aligned service delivery. He is particularly skilled at aligning global stakeholders — from business lines to APAC and corporate IT teams — to realize BPR and cost-optimized SAP operations. Notably, he has repeatedly driven cross-border rollouts and complex integrations (including post-merger ERP consolidation) while also focusing on people development and operational excellence. Based in Tokyo, he brings a pragmatic mix of technical depth and leadership that turns large-scale SAP programs into sustainable business value.
8 years of coding experience
32 years of employment as a software developer
Bachelors’ Degree from the Department of Science & Engineering, Industrial Chemical, Bachelors’ Degree from the Department of Science & Engineering, Industrial Chemical at Chuo University
Japanese, English
Github Skills (7)
w3c10
design-principles5
design-patterns3
network-protocol2
http1
javascript1
localserver1
Programming languages (2)
Github contributions (5)
igarashi50/w3c-dash
Nov 2025 - Apr 2026
Contributions:1 PR, 58 pushes, 2 branches in 4 months
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