Global Brain

Founded in Tokyo in 1998, Global Brain is a venture capital firm focusing on seed to late-stage investments across various sectors globally. They have invested in over 300 startups, facilitating 25 IPOs and 61 M&As through hands-on support services.

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

Takuya Hosomura

Partner

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

Miyazawa Yusuke

Venture Partner

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

Lusheng Zou

Director, Investment Group

Past deals in GreenTech

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.

HIVED

Venture Round in 2024
HIVED specializes in sustainable parcel delivery solutions. It focuses on the middle to final mile, aiming to enhance post-purchase experiences while reducing waste and providing real-time tracking for both shippers and recipients.

Symbiobe

Series A in 2024
Symbiobe is engaged in the development of a resource-recycling material production platform that aims to promote sustainability through the effective utilization of underutilized natural biomass resources and photosynthetic organisms. The company focuses on creating alternatives for greenhouse gas fixation and producing industrial biopolymers, nitrogen fertilizers, and aquaculture feed. By advancing manufacturing processes that prioritize environmental sustainability, Symbiobe supports the transition to a more sustainable society and provides essential resources for environmental start-up businesses seeking natural and sustainable products.

Beleaf

Series A in 2024
Beleaf is an Indonesian hydroponic farm based in Bogor. It operates vertical farming systems using hydroponics to grow fresh greens and vegetables with minimal water usage, aiming to reduce its carbon footprint and provide consumers with locally sourced produce.

Pale Blue

Series B in 2024
Pale Blue is a technology company focused on water-based propulsion systems and satellite mobility infrastructure for the aerospace industry. It designs and manufactures thrusters for microsatellites, including water resistojet, water ion, and hybrid propulsion devices. The propulsion systems use water instead of hazardous propellants like hydrazine, supporting sustainable space operations and in-orbit maneuvers for small satellites. The company was founded in 2020 and is based in Kashiwa, Japan.

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.

CleanFiber

Venture Round in 2024
CleanFiber, LLC is a manufacturer of cellulose insulation materials designed for use in attics, walls, and floors of both residential and commercial buildings. Founded in 2013 and headquartered in Blasdell, New York, with an additional office in Buffalo, the company specializes in producing high-performance, carbon-negative insulation from recycled corrugated cardboard. This innovative approach not only promotes sustainability but also enables construction companies to build fire-resistant structures while maintaining cost competitiveness. CleanFiber has transitioned from its former name, UltraCell Insulation, LLC, in September 2018, and is currently focused on rapidly scaling up production to meet growing demand in the insulation market.

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 researches, develops, manufactures, and sells biostimulants and agrochemicals based on acetic acid that enhance plant tolerance to heat, drought, and salinity. The company's product Skeepon is designed to promote plant adaptability to harsh conditions across turf, agriculture, and home gardens. Ac-Planta seeks to leverage advances in plant epigenetics to improve crop resilience and performance, supporting higher yields and quality while helping mitigate desertification. The firm serves agricultural and turf markets with a focus on climate-related stress, aiming to provide sustainable solutions for growers. Founded in 2018, the company is based in Bunkyo, Japan.

Trove

Series E in 2023
Trove is a technology company offering AI-powered tools for professional networking, email management, and a resale platform for brands and retailers. Its mobile email product uses artificial intelligence to reduce inbox overload, surface relationship insights, provide smart notifications, and snooze messages, integrating with existing email services and supporting iOS and Android. In parallel, Trove operates a resale platform that helps brands launch, manage, and scale resale programs, with storefront design, photography, authentication, cleaning and repair, returns processing, non-new inventory management, site building, Shopify integration, and analytics, plus in-store and digital trade-ins and peer-to-peer features. By combining AI-driven relationship mapping with a scalable resale ecosystem, Trove enables brands to deepen engagement, optimize profit, and reach new customers, and holds certification as a B Corporation for its sustainability-focused approach.

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.

Biome

Series B in 2023
Biome is a prominent company specializing in image analysis technology, collaborating with the IchiJoho System at Kyoto University. The company has developed a biological information application aimed at promoting biodiversity conservation and creating a profitable society. Its application focuses on remote surveying of living organisms, offering expertise in data analysis and database management. This enables clients to efficiently access essential ecological information, supporting efforts in environmental preservation and sustainable practices.

Connect Earth

Seed Round in 2023
Founded in 2021, Connect Earth is a London-based environmental data company that democratizes access to sustainability data. It offers a carbon tracking API technology to empower individuals and institutions to make sustainable choices by providing transparent insights into the climate impact of daily spending.

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.

nearMe

Series B in 2023
NearMe Inc. is a Tokyo-based company founded in 2017 that specializes in mobile application development for taxi ride-sharing services. The company's platform addresses social inefficiencies by facilitating real-time matching of individuals seeking to travel in the same direction, thereby enabling them to share taxi rides. NearMe's innovative approach aims to enhance the commuting experience, making it more comfortable and efficient for users. Through its technology-driven solution, the company seeks to contribute to a sustainable and enjoyable society by optimizing transportation options for its users.

CleanFiber

Series B in 2023
CleanFiber, LLC is a manufacturer of cellulose insulation materials designed for use in attics, walls, and floors of both residential and commercial buildings. Founded in 2013 and headquartered in Blasdell, New York, with an additional office in Buffalo, the company specializes in producing high-performance, carbon-negative insulation from recycled corrugated cardboard. This innovative approach not only promotes sustainability but also enables construction companies to build fire-resistant structures while maintaining cost competitiveness. CleanFiber has transitioned from its former name, UltraCell Insulation, LLC, in September 2018, and is currently focused on rapidly scaling up production to meet growing demand in the insulation market.

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.

Clean Energy Connect

Series A in 2022
Clean Energy Connect Co., Ltd. is a Tokyo-based company established in 2020 that specializes in providing renewable energy solutions to corporate clients. The company focuses on generating and delivering green energy while investing in its own generation capacity to ensure a reliable electricity supply without environmental harm. Clean Energy Connect facilitates the transition to renewable energy by connecting distributed energy resources with customers interested in sustainable practices. It offers advisory services to optimize energy solutions, covering everything from implementation to operational methods, and providing cost-effective proposals that help clients seamlessly adopt renewable energy sources.

Ac-Planta

Venture Round in 2022
Ac-Planta researches, develops, manufactures, and sells biostimulants and agrochemicals based on acetic acid that enhance plant tolerance to heat, drought, and salinity. The company's product Skeepon is designed to promote plant adaptability to harsh conditions across turf, agriculture, and home gardens. Ac-Planta seeks to leverage advances in plant epigenetics to improve crop resilience and performance, supporting higher yields and quality while helping mitigate desertification. The firm serves agricultural and turf markets with a focus on climate-related stress, aiming to provide sustainable solutions for growers. Founded in 2018, the company is based in Bunkyo, Japan.

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.

Pale Blue

Series A in 2021
Pale Blue is a technology company focused on water-based propulsion systems and satellite mobility infrastructure for the aerospace industry. It designs and manufactures thrusters for microsatellites, including water resistojet, water ion, and hybrid propulsion devices. The propulsion systems use water instead of hazardous propellants like hydrazine, supporting sustainable space operations and in-orbit maneuvers for small satellites. The company was founded in 2020 and is based in Kashiwa, Japan.

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.

NBT

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

SUN METALON

SUN METALON specializes in decarbonizing metal manufacturing by offering innovative technology for recycling, refining, and forming metals. Its core innovation lies in efficient heating of metal scraps and chips, reducing energy consumption and impurities, thereby significantly lowering CO₂ emissions compared to traditional methods.
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