Erin leads SATO, a social business that develops innovative sanitation and hygiene solutions for global communities. Within the broader LIXIL Group, she is also responsible for the LIXIL Public Partners and Hydrific ventures.
Erin is also Chair of the Toilet Board Coalition (TBC), a unique business-led partnership with the ambition to accelerate the Sanitation Economy. Previously having worked with social enterprises, philanthropists, and other bilateral and multilateral organizations, she is skilled in relationship management, strategy development and planning, engagement of complex stakeholder groups, organizational effectiveness and implementation, analysis, and business case development.

Since joining the Ministry of Economy, Trade and Industry (METI), Ms.Nishikawa has been involved in a broad spectrum of key policy areas. Her experience spans trade policy initiatives, including the Japan-U.S. Economic Dialogue and APEC; the formulation of Japan’s energy mix in the immediate aftermath of the Great East Japan Earthquake; and efforts to strengthen oil supply chain resilience. She has also contributed to climate change and environmental policies, including the implementation of the Paris Agreement and the promotion of green finance, as well as to international standardization policy. She has served in her current position since July 2025.