Global Brain

Global Brain Corporation, established in 1998, is a Tokyo-based venture capital firm that invests in technology-focused startups globally, from seed to pre-IPO stages. With a track record of 300+ investments, 25 IPOs, and 61 M&As, the firm provides hands-on support to its portfolio companies. Global Brain manages both independent and corporate venture capital funds, partnering with tier 1 public companies across various industries.

Kaori Akiba

Director

Hidetaka Aoki

Investment Group Partner and Fellow Chief of Space Lab

Tatsunori Arai

Director, Investment Group

Megumi Asatsuma

Director

Anjani Bansal

Partner, India Office Representative

Brooke Beers

Partner

Takuji Chida

Director, Investment Groups

Thomas Duong

Director

Brian Flucht

Partner and Head, US Division

Hajime Furuya

Venture Partner

Shohei Hayashi

Partner, Investment Group

Harue Hayashi

Partner / Vice Chief Fund Management Officer

Kenji Hayashi

Director

Jie He

Director China office Representative

Yosuke Hirai

Director

Joopyo Hong

Partner Investment Group

Naoki Horie

Investor

Jang Hyeokjin

Principal, Investment Group

Shohei Ichimiya

Partner, US Office

Sho Ikeda

Partner, Indonesia Office Representative

Nozomu Ikuta

Principal

Kotona Inaida

Director

Tomoaki Ishikure

Investment Group Partner

Yoshinari Ito

Venture Partner

Yuki Ito

Director

Hiroyuki Izumi

Partner

Ken Kajii

General Partner, Investment Group

Daisuke Kashiro

Partner, Investment Group

Kirin Kato

Principal

Takashi Kato

Partner, San Francisco Office Representative

Masaya Kawakami

Principal, Investment Group

Hiroyuki Kawamoto

Principal

Ko Kawaragi

Director

Maiko Kayata

Director

ByeongJin Kim

Principal

Riichiro Kimura Ph.D

Director, Investment Group

Issei Kokubu

Principal, Investment Group

Yoshiomi Kubota

Principal

Jinya Kurita

Director, Investment Group

KyungHun Lee

Partner, South Korea Office Representative

YingQi Liang(Joy)

Principal

Chukaku Lin

Director

Atsushi Matsuda

Venture Partner

Akira Matsumoto

Principal

Yuki Matsuo

Director

Natsumi Matsuoka

Principal

Tomoko Minagawa

Director, Investment Group

Ai Minamizaki

Principal, Investment Group

Shigeru Mitarai

Director

Shuhei Mori

Director

Seiichiro Mukai

Director

Satoko Murata

Director

Kohtaro Nagawa

Director, Investment Group

Tasuke Nakagawa

Partner, M&A

Mitsutaka Nakao

Director

Shien Nakayama

Director

Yuya Namiki

Director

Ying Jian Ng

Director, Investment Group

Daisuke Nishida

General Partner

Yukari Nishiyama

Director, Investment Group

Akiko Noguchi

Director

Rina Obi

Investment Group Director, Berlin Office

Sho Ohtani

Principal, Investment Group

Tetsui Okada

Director, Investments Group

Mayu Okamoto

Director

Akane Okuyama

Director

Shingo Otaki

Partner, Investment Group

Naoki Sadakuni

Venture Partner

Enen Sai

Principal

Youichi Sakagawa

Director, Investment Group

Kazuki Sakuragawa

Partner / Editor in Chief

Naoki Sato

Director

Masumi Sato

Principal

Tomoki Sekiguchi

Director

Rie Shibata

Director

Takeru Shigemura

Director

Miku Shimamura

Principal

Hiroshi Shimazu

Managing Director

Masamune Shin

General Partner

Ayu Shinoyama

CFO

Chisa Shinsakaue

Director

Divyansh Singh

Principal

Hiroto Sorita

Director, Investment Group

Sachiko Sugiura

Director

Yusuke Suzuki

Partner

Kazumo Tachibana

Director

Mana Takabayashi

Director, Investment Group

Hiroki Takai

Director, Investment Group London Office

Toko Takao

Director

Hideyuki Tanaka

Director

Marika Tazaki

Partner

Hirotaka Togashi

Director

Haruka Tsujii

Director

Atsushi Ueda

Director

Takuya Ukai

Principal

Tetsuya Urimoto

Director

Noriko Usui

Partner / Chief Fund Management Officer

Keita Washizu

Principal

Masao Yamada

Senior Partner, Investment Groups

Kazunor Yamaguchi

Partner

Kazunori Yamaguchi

Partner, Investment Group

Ryozo Yamamoto

Partner, Investment Group

Michiko Yamazaki

Principal

Isao Yasuda

Senior Partner

Takuro Yoda

Principal

Sayaka Yoshino

Director

Miku Yoshio

Partner, Investment Group

Yasuhiko Yurimoto

Founder, Owner, CEO and General Partner

Miyazawa Yusuke

Venture Partner

Lusheng Zou

Director, Investment Group

Takuya Hosomura

Partner

Past deals in CleanTech

Creatura

Series A in 2025
Creatura assists companies in reducing greenhouse gas emissions by generating and distributing carbon credits and promoting the adoption of renewable energy sources.

IONATE

Series A in 2025
IONATE specializes in developing advanced hardware-software systems for smart grids, aiming to enhance power distribution efficiency and stability. The company's flagship product, the Hybrid Intelligent Transformer (HIT), is designed to replace traditional transformers with a smart alternative that integrates data and control for key electrical parameters. This innovative device manages voltage control, harmonic and transient removal, and power factor correction simultaneously. By enabling real-time monitoring and control, the HIT supports effective power distribution across various applications, including power generation, industrial facilities, and data centers, ultimately helping clients reduce energy loss and improve operational efficiency.

EneCoat

Series C in 2024
EneCoat Technologies, established in 2018 and headquartered in Kyoto, Japan, specializes in the manufacturing and sale of perovskite solar cells and associated materials. The company focuses on developing and commercializing thin-film solar cell technologies, aiming to generate power even in low-light conditions. EneCoat's mission is to protect the environment and efficiently harness natural energy sources, enabling businesses to conveniently produce energy from solar cells.

Essen

Seed Round in 2024
Essen is a technological company that specializes in mobility and data analysis, as well as using data to improve transportation.

Vizcab

Series A in 2024
Vizcab is a company based in Lyon, France, specializing in the development of software solutions aimed at addressing low-carbon challenges in the construction industry. It offers a data-driven platform that facilitates the design of low-carbon buildings by enabling users to import 3D models from digital mock-ups and create a comprehensive database of architectural and technical alternatives. The platform employs data visualization techniques to explore design options, fostering creativity and informed decision-making among designers and builders. In addition to its software offerings, Vizcab provides consultancy services and conducts research projects with leading industrialists and designers, focusing on environmental assessment, energy efficiency, and the integration of big data into building practices.

Newmo

Seed Round in 2024
Newmo is a technology company that specializes in sustainable local public transportation. It develops a ride-sharing service platform, enabling drivers to work flexibly using their free time, and providing passengers with a safe, secure, and comfortable user experience.

Chemix

Series A in 2024
Chemix offers high-performance batteries custom-designed for specific EV market segments including e-motorcycles, sports cars, long-range premium EVs, and more. Chemix achieves this through a purpose-built AI-based battery design platform, MIX, coupled with a vast amount of in-house collected data, accelerating the battery development process by 5-10x while enabling the widest range of potential chemistries. Currently shipping and in production, the company's batteries are up to 30% better than state-of-art technologies and are based on sustainable chemistries that contain low to no cobalt as well as zero nickel elements.

Windfall Bio

Series A in 2024
Windfall Bio is an innovative company based in San Mateo, California, that addresses climate change by transforming harmful methane emissions into organic fertilizer. Established in 2022, the company utilizes methane-eating microbes to capture methane from various sources, including agriculture, oil and gas, and waste management. This nature-based technology not only reduces the methane footprint of these industries but also improves their operational efficiency and profitability while minimizing the negative environmental impacts associated with synthetic fertilizers. By providing farmers and other producers with the means to convert methane into valuable soil nutrients, Windfall Bio fosters a sustainable agricultural future and contributes positively to environmental conservation. The company is backed by prominent venture capital firms, reflecting its potential to make a significant impact in the fight against climate change.

Ac-Planta

Series A in 2024
Ac-Planta Inc. is a biotechnology research company based in Bunkyo, Japan, specializing in the development of acetic acid-based biostimulants and agrochemicals. Founded in 2018, the company focuses on creating innovative solutions to enhance the resilience of plants against environmental stressors such as heat, drought, and salinity. Its flagship product, Skeepon, leverages advanced epigenetic technology to promote plant adaptability in response to climate change challenges. Ac-Planta's mission is to address pressing global food and environmental issues by improving crop yields and quality while combating desertification and mitigating the impacts of abnormal weather patterns on agriculture.

Caelux

Series A in 2023
Caelux is a renewable energy company based in Pasadena, California, founded in 2014. It specializes in developing and manufacturing perovskite-on-glass technology for the terrestrial solar and commercial space industries. This innovative technology is designed to enhance solar device efficiency while minimizing the amount of semiconducting material required, thereby reducing production costs. Caelux's products improve power production and integrate seamlessly into existing photovoltaic module manufacturing processes, allowing users to lower installed costs and boost overall performance.

HydroLeap

Series A in 2023
HydroLeap develops wastewater treatment technology that replaces expensive chemical treatments with smart electrical processes. The solutions address high-suspended solids, oil, and heavy metal-contaminated wastewater, enabling water recycling through electrical and membrane treatment systems and emphasizing environmentally friendly approaches.

Pionix

Seed Round in 2023
Pionix is a technology company that develops EVerest, an open-source software platform designed for electric vehicle (EV) charging stations. The platform aims to standardize and simplify EV charging infrastructure by providing a comprehensive, user-friendly solution that can be extended by the open-source community and utilized by various commercial parties. Pionix offers integration services, software updates, cloud operations, and productivity & security enhancements as subscription-based services to support the EVerest ecosystem.

Elephantech

Series D in 2023
Founded in Tokyo, Japan in 2014, Elephantech specializes in the manufacturing of electronic circuits. The company's innovative metal inkjet printing technology enables it to produce flexible printed circuit boards sustainably.

WasteX

Venture Round in 2023
WasteX operates as an environmental solutions provider for agriculture and industry sectors. It develops and implements end-to-end systems on client farms and facilities, transforming agricultural waste into biochar. This process enhances soil health, boosts operational efficiency, generates additional revenue streams, and significantly reduces clients' carbon footprints.

Connect Earth

Seed Round in 2023
Connect Earth, founded in 2021 and based in London, is an environmental data company focused on providing accessible sustainability information. The company specializes in carbon tracking API technology, which allows users to understand the environmental impact of their daily spending. By standardizing carbon emissions data and calculating carbon footprints, Connect Earth empowers individuals and businesses to make informed, sustainable choices. Its API toolkit integrates sustainability insights into financial products, enabling financial institutions to offer customers transparent views of their climate impact. Through this approach, Connect Earth aims to bridge the gap between intent, knowledge, and action, fostering a culture of sustainable finance.

Regent

Venture Round in 2023
Regent designs and manufactures electric flying machines, known as seagliders, for coastal transportation. These wing-in-ground-effect craft operate a few meters above water's surface, combining airplane speed with boat operating costs. Seagliders aim to revolutionize regional travel by connecting coastal cities and islands efficiently and sustainably.

Cierpa & Company

Venture Round in 2023
Cierpa & Company specializes in developing environmental, social, and governance (ESG) management software aimed at enhancing corporate sustainability practices. The company’s software solutions centralize ESG information in the cloud, facilitating seamless communication across departments. By optimizing workflows, the platform enables organizations to efficiently collect, analyze, and disclose ESG data. Cierpa & Company's technology is designed to help businesses assess and improve their sustainability scores, thereby promoting a more effective approach to ESG management.

Yanekara

Venture Round in 2022
Yanekara is a technology company that specializes in smart grid solutions and electric vehicle (EV) charging infrastructure. The company has developed the V2X platform, which allows electric vehicles to function as virtual storage batteries, effectively utilizing them as a power storage system. This system is designed to optimize the energy generated from renewable sources, such as solar panels, by matching it with the charging needs of electric vehicles. Yanekara's offerings aim to facilitate energy management and promote carbon neutrality, enabling users to harness renewable energy more efficiently.

AmicaTerra

Series C in 2022
AmicaTerra is a supplier and manufacturer of biomass products aimed at addressing environmental pollution. The company specializes in creating plant-derived, biodegradable fiber ceramic products, including tableware and straws. These items are designed to decompose naturally without releasing toxic chemicals, providing consumers with eco-friendly alternatives to traditional plastic cutlery. By focusing on sustainability, AmicaTerra contributes to reducing waste and promoting a healthier environment.

EneCoat

Series B in 2022
EneCoat Technologies, established in 2018 and headquartered in Kyoto, Japan, specializes in the manufacturing and sale of perovskite solar cells and associated materials. The company focuses on developing and commercializing thin-film solar cell technologies, aiming to generate power even in low-light conditions. EneCoat's mission is to protect the environment and efficiently harness natural energy sources, enabling businesses to conveniently produce energy from solar cells.

Ac-Planta

Venture Round in 2022
Ac-Planta Inc. is a biotechnology research company based in Bunkyo, Japan, specializing in the development of acetic acid-based biostimulants and agrochemicals. Founded in 2018, the company focuses on creating innovative solutions to enhance the resilience of plants against environmental stressors such as heat, drought, and salinity. Its flagship product, Skeepon, leverages advanced epigenetic technology to promote plant adaptability in response to climate change challenges. Ac-Planta's mission is to address pressing global food and environmental issues by improving crop yields and quality while combating desertification and mitigating the impacts of abnormal weather patterns on agriculture.

Girasol Energy

Seed Round in 2021
Founded in Tokyo, Japan in 2017, Girasol Energy develops an IoT platform for photovoltaic plants. It installs sensor networks, collects data at the panel level via its cloud engine, and uses AI to automatically detect anomalies. The company's exclusive technology leverages satellite-based solar radiation statistics, enabling it to offer services at a significantly lower price compared to competitors.

Girasol Energy

Series A in 2021
Founded in Tokyo, Japan in 2017, Girasol Energy develops an IoT platform for photovoltaic plants. It installs sensor networks, collects data at the panel level via its cloud engine, and uses AI to automatically detect anomalies. The company's exclusive technology leverages satellite-based solar radiation statistics, enabling it to offer services at a significantly lower price compared to competitors.

Lime

Series C in 2019
Lime is a transportation company that focuses on providing sustainable solutions for urban mobility by offering electric scooters and bike-sharing services. The company partners with cities to deploy a fleet of electric bikes and scooters equipped with GPS and self-activating locks, which allows users to access affordable and reliable transportation options. Lime aims to address the first- and last-mile transportation challenges, promoting environmentally friendly alternatives that help reduce carbon footprints. By encouraging a shift in transportation behavior, Lime seeks to empower future generations to contribute to a more sustainable planet.

Fermenstation

Venture Round in 2018
Fermenstation Co., Ltd. is a consulting firm based in Iwate Prefecture, Japan, specializing in the utilization of unused biomass and fermentation technology. Established in 2009, the company offers a range of services, including feasibility studies, product development, and consultation for creating aromatic products and animal feed. Fermenstation also engages in brand consulting, logo and packaging design, website development, and public relations. In addition to its consulting services, the company manufactures various products such as rice-based home ethanol, Komesshu air fresheners, and Oshu soap. By focusing on sustainable practices and local resource utilization, Fermenstation aims to help clients develop innovative products that minimize waste and enhance value.

NBT

Series D in 2015
NBT specializes in the development of wind farms in the field of renewable energy in emerging markets.
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