Marunouchi Innovation Partners

Yohei Hiroi built Mitsubishi's real-asset platforms, served as a U.S. real-estate COO, and focuses on deep decarbonization—geothermal, ammonia-based power and clean shipping fuels—connecting Japanese capital with climate tech entering Asia.

Joined MIP as an associate in April 2024, promoted to Silicon Valley vice president in 2025. Previously worked on transportation infrastructure and PE/infrastructure fund management at Mitsubishi Corporation and Marunouchi Infrastructure.

Joined MIP as vice president in May 2024. Worked as an accountant and financial advisor at Ernst & Young and as an alternative investment manager at Truston Asset Management and Pavilion Investment in Seoul. CFA charterholder and US CPA.

Joined MIP as director in August 2023. Over 13 years in PE/VC investing, strategic M&A and alternative fund work, previously at Daiwa Securities SMBC and a Japanese healthcare startup.

Advisor to firms including Lazard, Heliogen, Emerald Technology Ventures and Energy Impact Partners, with over 30 years in oil, gas and energy innovation investing. Former president of Chevron Technology Ventures (2013-2022).

Joined MIP as managing director in November 2022, became head of the management administration division in 2025. Over 15 years in alternative investment and back-office operations, including roles at Mitsubishi Corporation, One Rock Capital Partners and AIGF Advisors.

Joined MIP as senior manager in 2025, became head of the London office in 2026. Around 20 years in asset management and PE investing at Mitsubishi Corporation and Marunouchi Capital, including buyout sourcing and value-up work.

Energy and resource economics fellow at Rice University and senior director of the Center for Energy Studies at its Baker Institute for Public Policy. A prolific author on energy economics with extensive testimony and speaking experience on global energy topics.

Joined MIP as an associate in October 2025. Previously at NYK Line working on LNG carrier operations and project finance, with a secondment to Japan's Agency for Natural Resources and Energy.

Joined MIP as an associate in January 2024, promoted to senior associate in 2025. Previously in corporate finance at Shinkin Central Bank and financial reporting advisory at PwC Japan. US CPA.

Joined MIP in 2026 in investor relations. Over 10 years in sustainability-focused thematic investing and portfolio risk analysis, previously at KPMG AZSA Sustainability, S&P Global Sustainable1 and Morgan Stanley MUFG Securities.

Senior fellow at Harvard Kennedy School's Belfer Center leading research on energy technology innovation and the low-carbon transition. Over 25 years of global energy experience, formerly VP and head of R&D international development at Italy's Eni Group.

Joined MIP as head of management administration in April 2023, became head of the Silicon Valley office in 2025. Over 20 years in finance including capital markets investing and back-office operations at Mitsubishi Corporation and MITBANA. CMA.

Joined MIP as COO in 2026 and serves on its investment committee. Has over 20 years in finance including PE, previously leading corporate investment, infrastructure finance and CVC activities at Mitsubishi Corporation.

Joined MIP as a manager in April 2024. Background in management consulting (A.T. Kearney, AlixPartners, PwC) and as head of finance/administration at a SaaS startup. US CPA.

Joined MIP as an associate in July 2025. Over 8 years in energy and decarbonization market research and new business development, previously at Citigroup, Deloitte Tohmatsu, Moody's and Scrum Ventures where she led the GreenX open innovation program.

Ichiro Miyoshi blends full‑stack alternatives experience across private equity, infrastructure and real estate with leadership of Mitsubishi’s alternative asset arm and concurrent senior corporate and GP roles, providing LP/GP/operator perspective.

Joined MIP as an associate in November 2022, promoted to senior associate in 2025. Previously handled fund management and portfolio monitoring within Mitsubishi Corporation's corporate investment division.

Joined MIP as an associate in January 2024, promoted to senior associate in 2025. Previously a consultant at Oliver Wyman and worked at a travel startup and at JAFCO Asia on business development.