Mr. Nishikawa joined Japanese Government service in 1982. In 1988, appointed visiting research scholar at MIT. In 1992, took the position of Senior Disaster Relief Coordination Officer at UN Department of Humanitarian Affairs where he coordinated international assistance to numerous disaster stricken countries. In 2001, appointed as the Executive Director of Asian Disaster Reduction Center. After resuming government service in 2004, held positions in the Cabinet Office and Ministry of Land, Infrastructure, Transport and Tourism. Coordinated response to the 2004 Niigata-Chuetsu Earthquake. At the wake of the Indian Ocean Tsunami in December 2004, coordinated the Japanese Government technical assistance to the affected countries. Hosted and coordinated the 2005 UN World Conference on Disaster Reduction where the Hyogo Framework for Action was adopted. Proposed the Japanese BCP guideline in 2005. Presently, Director for Land and Real Property Market Division. Academic board member of the Institute of Social Safety Science. Chair of the World Economic Forum Global Agenda Council on Catastrophic Risk.