REINA KUWASHIMA
Portfolio / Experience & Education2012 — PRESENT

A career across business, investment & international development.

Experience across global trading and investment, business development, corporate strategy and international development — working across industries, markets and institutions.

Professional experience.

Nearly 12 years at Sumitomo Corporation, a Fortune Global 500 Japanese trading and investment company, spanning international trade, business development, global supply chains, ESG, investor relations, and corporate governance, including secondments to group companies in Japan and the United States.

February 2026 – Present
UNITED NATIONS

Project Officer — Labour Migration

International Labour Organization (ILO)
Bangkok, Thailand
  • Managing AJ-PRIME, a regional initiative bringing together 14 Asian countries to strengthen cooperation on responsible labour migration and migrant worker protection.
  • Lead regional programme planning, implementation, and coordination across countries of origin and destination, working with governments, employers' and workers' organizations, and development partners.
  • Facilitate policy dialogue and practical cooperation on fair recruitment, migrant worker protection, and responsible labour migration.
  • Manage partnerships with Japanese government institutions and JICA, supporting programme development and regional collaboration.
February 2024 – February 2026
UNITED NATIONS

Junior Professional Officer — Employment in Investment

International Labour Organization (ILO)
Geneva, Switzerland
  • Worked on employment-intensive investment, circular economy, sustainable development, and international partnerships, with a particular focus on connecting Japanese expertise with development cooperation.
  • Contributed to resource mobilization for circular economy initiatives in South Africa and Zambia, including USD 1.5 million in Japanese government funding for the South Africa project.
  • Developed cooperation opportunities involving Japanese technologies and companies, including organizing a study visit for South African government and TVET representatives.
  • Conducted research on circular economy, e-waste, and appropriate technologies, presenting findings at international forums, including a COP side event, the Central Asian E-Waste Forum, and an ILO regional seminar at the African Union headquarters.
July 2023 – January 2024
PRIVATE SECTOR

Special Appointive Officer to General Manager, Life Science

Sumitomo Corporation · Corporate Governance & Global Business Management
Tokyo, Japan
  • Worked with C-suite executives across a global portfolio of 65 companies in 30 countries to strengthen corporate governance, internal controls, and responsible business practices.
  • Developed a global management-support framework to address business and operational risks, including human rights, modern slavery, occupational safety and health, and labour law compliance.
April 2021 – June 2022
PRIVATE SECTOR

Special Appointive Officer to General Manager, ESG & Investor Relations

Sumitomo Corporation · ESG, Investor Relations & Corporate Strategy
Tokyo, Japan
  • Engaged institutional investors, international organizations, and other external stakeholders on ESG performance, sustainability strategy, and responsible business practices.
  • Contributed to company-wide initiatives on human rights due diligence and responsible supply chain management, providing recommendations to senior management on ESG priorities and stakeholder expectations.
  • Strengthened the ESG positioning of green and digital businesses and developed a new programme of large-scale online investor events.
August 2017 – March 2021
PRIVATE SECTOR

Manager, Medical Science Department

Sumitomo Corporation · International Business Development — Healthcare & Green Trade
Tokyo, Japan

Including a secondment to Summit Cosmetics Corporation

  • Led international business development in healthcare and green trade, identifying promising technologies and products and connecting Japanese companies with overseas markets.
  • Engaged senior executives at more than 100 Japanese companies and developed strategic partnerships with approximately 20 firms to support international expansion and new market entry.
  • Led a green trade initiative involving companies across eight countries, developing international procurement and sales strategies that generated USD 1 million in sales across 15 markets within one year.
  • Contributed to the acquisition of a European cosmetics ingredients distributor, conducting investment due diligence and supporting the expansion of the company's international business portfolio.
January 2016 – July 2017
PRIVATE SECTOR

Manager, Sumitomo Corporation of Americas

Presperse Corporation · Business Development & Commercial Operations — United States
New York, USA

Seconded to Presperse Corporation

  • Led business development, marketing, and sales initiatives in the US personal care market, building supplier partnerships with Japanese companies and introducing new product lines.
  • Developed and executed commercial strategies for more than 10 Japanese partner companies, contributing to USD 10 million in sales and a 10% increase in company profit.
  • Led cross-functional collaboration across marketing, sales, R&D, supply chain, regulatory affairs, and IT to translate market opportunities into new products and business growth.
April 2015 – December 2015
PRIVATE SECTOR

Staff, Medical Science Department

Sumitomo Corporation · International Trade & Business Development — Asian Healthcare Markets
Tokyo, Japan

Seconded to Summit Pharmaceuticals International Corporation

  • Managed cross-border trade in healthcare products for the Chinese market, working with Japanese suppliers and Chinese business partners.
  • Supported the international expansion of environmentally sustainable healthcare materials, conducting market research and developing commercial opportunities with manufacturers across Asia.
April 2012 – March 2015
PRIVATE SECTOR

Staff, Inorganic Resources Department

Sumitomo Corporation · International Trade & Supply Chain Development — Battery Materials
Tokyo, Japan
  • Developed and maintained supplier relationships between Japanese companies and Chinese manufacturers in the lithium-ion battery materials value chain, supporting product development and cross-border market expansion.
  • Led the company's response to an anti-dumping investigation concerning electrolytic manganese dioxide, coordinating with Japan's Ministry of Economy, Trade and Industry and Ministry of Finance on trade-related regulatory matters.
Education

Academic foundation.

2022 · JAPAN

Master of Business Administration (MBA)

Waseda Business School, Japan

2011 · JAPAN

Bachelor of Political Science and Economics

Waseda University, Japan

2010 · CHINA

LL.B. — Double Degree Programme

Peking University, China