Sei Sakairi
Senior Chief Researcher
East Japan Railway Company, Japan

1995  Joined East Japan Railway Company
Through Vehicle Maintenance, Transport Management, Transport Planning

2006 Frontier Service Development Laboratory
Engage in development of kinds of station equipment and IC Card

2010 Customer Service Reformation Department
Engage in strategy planning of service

2013 Senior Chief Researcher of Frontier Service Development Laboratory
Engage in research and development of a big data and data analysis