
What we’re about
Join CleanLeap, a group dedicated to connecting individuals interested in cross-border collaboration to advance sustainable ecosystems. Whether you're a sustainability professional, a clean technology advocate, an investor in the sustainability space, or a corporate leader working in related fields, this group is for you. We welcome discussions on best practices, innovative technologies, and global partnerships that can help accelerate sustainable solutions. Join us for networking events and conversations to learn, collaborate, and make meaningful progress together.
Upcoming events (3)
See all- CleanLeap Climate Tech Summit @TECH HUB YOKOHAMANeeds location
気候テックを支援するグローバル・プラットフォームCleanLeapが率いる米国気候テックVCが横浜のTECH HUB YOKOHAMAに集結します!
世界の気候テックの動向に詳しいCleanLeap創設者による特別セッションや、日米の投資家・政策担当者・スタートアップが一堂に会する本イベントでは、グローバルな気候テックの潮流と日本企業の可能性を探ります。
横浜市の注目スタートアップによるピッチも実施予定であり、世界・横浜の気候テックイノベーションの最前線を体感できる、貴重なネットワーキング機会です。
【参加予定VC】※予告なく変更される場合があります。
Technexus, Unovis, Enrichers, Skjander, IDGB Capital, United Re, 1004 Venture Partners, 他🌱 イベント概要
日時:2025年5月26日(月)10:00~15:30
会場:TECH HUB YOKOHAMA(横浜市西区みなとみらい2丁目2番1号 横浜ランドマークタワー敷地内25街区ギャラリー棟)
使用言語:英語 ※当日は翻訳アプリを会場で使用可能(先着順)
参加費:無料(要事前申込)
主催:CleanLeap
後援:横浜市(予定)/ 協力:Climate tech Japan📅 タイムスケジュール(予定) ※プログラムは予告なく変更される場合があります。
10:00–10:20 イントロダクション
10:20–10:40 講演①:横浜・日本の気候テックエコシステムと政策の紹介
10:40–11:00 特別セッション『米国の気候テックエコシステムの最新動向と日米連携のポテンシャル』by Porter Wong(CleanLeap創設者)
休憩(15分)
11:15–11:35 講演②:米国/日本の気候テック投資動向に関する講演
11:35–12:05 ファイヤーサイドチャット①:投資の視点で読む日米気候テックの現在
12:05–13:05 昼食ネットワーキング
13:05–14:05 ピッチ:日本・横浜発気候テックの米国VC向けピッチ(5社予定)
14:05–14:35 ファイヤーサイドチャット②:自然と技術が繋ぐ循環経済
14:35–15:30 ネットワーキング参加登録はこちらから: https://cleanleap-techhubyokohama.peatix.com/
## 🎤 登壇者(予定・一部紹介)特別セッション『米国の気候テックエコシステムの最新動向と日米連携のポテンシャル』
Porter Wong氏(CleanLeap Founder & Executive Director)
CleanLeapの創設者であり、連続起業家として幅広い経験を持つ投資家。エンジェル投資家として活動する傍ら、Network VC、DraperXのメンバーでもある。Plug and Play Tech Centerや米国国立研究所アントレプレナーシップアカデミー(US National Lab Entrepreneurship Academy)、USC Viterbi Startup Garageのメンターに加え、UC Cleantech Openにおいてメンター兼共同議長(West地区)を務めるほか、Google SFSDプログラムのアドバイザーとしても活躍し、スタートアップ支援やクリーンテック分野での発展に貢献している。## 講演①:横浜・日本の気候テックエコシステムと政策の紹介『横浜の気候テック・グリーン政策の取り組み』
村尾 雄太氏(横浜市脱炭素・GREEN×EXPO推進局循環型社会推進課担当係長)
大学卒業後、民間金融機関への就職を経て、横浜市役所に入庁。経済局にてオープンイノベーション・スタートアップ支援を担当後、経済産業省関東経済産業局に出向し、地域エネルギープロジェクトの支援に取り組む。2023年4月より公民連携の脱炭素プロジェクト推進に従事。担当業務は、みなとみらい地区の脱炭素化(脱炭素先行地域)、再生可能エネルギー導入推進、廃棄物の資源循環。## 講演①:横浜・日本の気候テックエコシステムと政策の紹介『NEDOによるディープテック・スタートアップ支援の取組』
脊板 道雄氏(国立研究開発法人新エネルギー・産業技術総合開発機構(NEDO)スタートアップ支援部 連携・対外発信チーム長)
伊藤忠商事にて20年以上に渡り日本、米国、英国等におけるSI、BPO、ベンチャー投資などに従事。2019年より大阪本社にて財界活動や万博関連ビジネス開発等を担当した後、2024年より現職。現在NEDOにて、地球規模の経済・社会・環境課題の解決に資する革新的な技術開発に取り組むディープテック・スタートアップを支援、彼らのグローバル展開に注力中。早稲田大学法学部卒。## 講演②:米国/日本の気候テック投資動向に関する講演
藤森慎太郎氏(Climate tech Japan共同代表)
Climate tech Japan共同代表。エネルギー・脱炭素政策関連業務や、エネルギー関連施設のファイナンス業務等に従事した経験あり。低廉なエネルギーの安定供給と脱炭素の実現という非常に難しいテーマに取り組むためには新技術の社会実装が不可欠との思いから、Climate tech Japanを運営。## ファイヤーサイドチャット①:投資の視点で読む日米気候テックの現在
Umer Sadiq氏(Climate tech Japan共同代表)
Climate tech Japan代表。パキスタン生まれ。高校卒業後日本へ留学し、大学で水素エネルギーの研究や学生起業家支援に従事。Climate techへの移行を加速させる技術や政策がより早く採用され、経済効果のある資本投資を増加させたいとの思いから、Climate tech Japanを立ち上げ。岩田隆一 氏(株式会社JERA, JERA Ventures, Senior Manager/Ph.D.)
JERAのCVC組織であるJERA VenturesにSenior Managerとして参画。2010年に大阪大学大学院博士後期課程修了後、スタンフォード大学、豊田中央研究所、MIT、マイクロ波化学で蓄熱デバイス、人工光合成、水電解、ケミカルリサイクルなど脱炭素・サーキュラーエコノミーに関する基礎・応用研究および商用化業務に従事。現在はユーティリティスケールのエネルギー事業の脱炭素化に取り組んでいる。## ファイヤーサイドチャット②:自然と技術が繋ぐ循環経済
亀沢卓利氏(CleanLeap, TrueAlgae, Inc. CRO)
アメリカのバイオテック スタートアップのTrueAlgae社のCRO(Chief Relationship Officer)として2020年に就任し、現在はCleanLeapの日本担当も務める。AgTechやFinTechを含む幅広いスタートアップへの支援に加え、アジア開発銀行、世界銀行、米州開発銀行、国際金融公社などで35年以上にわたる投資・プロジェクト経験を有するグローバルエグゼクティブ。CFA資格を持ち、50カ国以上で民間投資を推進してきた実績を持つ。河合 崇氏(ユナイテッドシルク株式会社代表取締役社長)
1973年大阪府生まれ。京都大学経済学部卒業後、住友商事などを経て2016年に起業。総合商社では、繊維原料部に所属し、約30カ国との綿花、シルク等の天然繊維を取り扱った経験を活かし、シルク素材を生産する製造業スタートアップを実現。
シルクの用途として、従来の繊維用途にとどまらず、食品、化粧品、医療分野への応用を推進し、シルク産業の革新と地域創生に取り組む。羽鳥 徳郎氏(株式会社TBM 執行役員 CSuO 兼 サステナビリティ本部 本部長)
大学在学時より環境法や環境管理学、開発法学を学ぶ。大学卒業後、PwC Japanにてサステナビリティコンサルティングに従事。ESG投資とサステナブルサプライチェーンの領域を中心に幅広い業界のクライアントのサステナビリティ推進体制整備を支援。2018年、TBMに1人目のサステナビリティ専任者として参画。2030年に向けた目標策定や製品のライフサイクルアセスメント、再生可能エネルギーへの転換、CDP等のESG評価機関への情報開示などに取り組む。## ピッチ:日本・横浜発気候テックの米国VC向けピッチ(アルファベット順)
ハッコウホールディングス株式会社(Hakko Holdings Co., Ltd.)
大豆やルピナス豆と発酵技術を掛け合わせた次世代タンパク源の開発と、N₂O削減を通じた環境クレジット創出に挑むクライメート/フードテック・スタートアップ。ブロックチェーン連携型のN₂O測定技術の実装や、地域資源を活かした循環型モデルの構築を目指す。SUN METALON株式会社(Sun Metalon Inc.)
独自の金属加熱技術を活用し、金属リサイクル事業を中心に展開。従来の金属リサイクル工程で発生するCO₂排出を大幅に削減し、省スペースかつ低コストで環境負荷の少ない金属資源の再生を実現している。2021年の創業以来、アメリカと日本を拠点に事業を展開。2024年にはシリーズAラウンドで約31億円の資金調達に成功し、ものづくりの未来を切り拓くリーダーとして注目されているつばめBHB株式会社(Tsubame BHB Co., Ltd.)
食そして将来のエネルギーに必要なアンモニアを世界中に届けます。分散型のアンモニア製造設備を用いて地産地消グリーン肥料モデルの構築に現在取り組んでおり、将来は知見を活用してスケールアップし、アンモニアを活用したエネルギーサプライチェーンに貢献します。## 【参考情報】
CleanLeap
CleanLeapは、持続可能なイノベーションの推進に特化したスタートアップ・アクセラレーター。クリーンテックやサステナビリティのアイデアに取り組むスタートアップを支援しています。創業者が事業を成長させ、人脈を築き、規模を拡大するために必要なサポートを得るまでのプロセスをガイドするプログラムを世界中で実施しています。私たちは、Cleantech Open(米国最大のクリーンテック促進プログラム)やClimae-KIC(EUが支援する最大の気候変動イノベーション・イニシアチブ)など、米国と欧州の両方で強力なパートナーシップを結んでいます。TECH HUB YOKOHAMA
TECH HUB YOKOHAMAはテック系スタートアップに特化した横浜市の支援拠点です。グローバル企業のR&Dや技術者の集積といった横浜の強みを生かし、テック系分野において、グローバルに展開するユニコーンクラスのスタートアップ創出を目指します。https://techhub-yokohama.com/
Climate tech Japan
脱炭素分野の課題と技術と人を繋げるコミュニティです。起業家、VC、エネルギー/製造業等で働く人、アカデミア、政策立案者など様々なバックグラウンドを持つメンバーを世界的に巻き込み、脱炭素に向けた課題をブラッシュアップすることで、脱炭素に取り組んで成長するプロジェクトを支援します。週1回ニュースレター配信中。https://www.climatetech.jp/------------------------
CleanLeap is a climate-focused accelerator based in Silicon Valley. We have a US delegation program in the last week of May with major Japanese organizations.
At this event with Tech Hub Yokohama, we will invite U.S. investors to share insights into Japan and U.S.'s climate ecosystem and investment landscape. This is a unique opportunity to gain valuable knowledge about the climate sector and investment trends in both countries while forging key connections.
U.S. Venture Capital Firms: Technexus, Unovis, Enrichers, Skjander, IDGB Capital, United Re, 1004 Venture Partners, and more.🌱 Event Details
Date: Monday, May 26 10:00am-3:30pm
Location: Tech Hub Yokohama(〒220-0012 Kanagawa, Yokohama, Nishi Ward, Minatomirai, 2 Chome−2−1 Yokohama Landmark Tower, 敷地内25街区ギャラリー棟)
Language: English *Translation apps will be available at the venue on the day
Admission: Free *Advance registration required
Organizer: CleanLeap
Endorsed by Yokohama City
With supported from Climate tech Japan📅 Schedule
10:00–10:20 Introduction
10:20–10:40 Introduction of climate tech ecosystem and the facility of Tech Hub Yokohama
10:40–11:00 Special Session “The Latest Trends in the U.S. Climate Tech Ecosystem and the Potential for U.S.-Japan Collaboration” by Porter Wong (Founder, CleanLeap)
Break(15 min)
11:15–11:35 Climate Tech Investment Trends in the U.S./Japan
11:35–12:05 Fireside Chat #1: Current Climate Tech in the U.S. and Japan from an Investment Perspective
12:05–13:05 Lunch Networking
13:05–14:05 Startup Pitches: Climate tech pitches to US VCs
14:05–14:35 Fireside Chat 2: Circular Economy Connected by Nature and Technology
14:35–15:30 NetworkingMore about CleanLeap:
CleanLeap is a startup accelerator focused on driving sustainable innovation. We help early-stage startups working on clean tech and sustainability ideas go from just an idea to fully launched companies. We run programs all around the world that guide founders through the process of growing their businesses, building connections, and getting the support they need to scale. We have strong partnerships across both the U.S. and Europe., such as CleanTech Open (the largest clean tech accelerator program in the U.S.) and Climate-KIC (the biggest climate innovation initiative supported by the EU). As a feeder, we keep our eyes on innovative solutions from around the world. - CleanLeap Startup Pitches @Google JapanNeeds location
CleanLeap is a climate-focused accelerator based in Silicon Valley. We have a 5-day US delegation program in the last week of May with major Japanese organizations.
In partnership with Google Startups for Sustainable Development, this event will feature startup pitches from emerging Japanese climate tech companies, showcasing innovative solutions that advance sustainability.
In addition to the pitches, we’ll host two spotlight talks: one focused on nature-based technologies - solutions that leverage ecosystems to tackle climate challenges such as carbon capture, biodiversity preservation, and sustainable land use - and another on a soft landing project, which helps startups expand into international markets, particularly in the U.S., through mentorship, regulatory guidance, and strategic connections.
This is a unique opportunity to discover cutting-edge innovations, gain insight into global climate strategies, and build meaningful connections with leaders across both the U.S. and Japanese climate tech ecosystems!🌱 Event Details
Date: Tuesday, May 27 6:00pm-9:00pm
Location: Google Japan(Shibuya Stream, 3 Chome-21-3 Shibuya, Tokyo 150-0002)
Language: English
Admission: Free *Advance registration required
Organizer: CleanLeap
Co-host: Google Startups for Sustainable Development📅 Schedule
6:00–6:15 Opening Remarks, Introduction of Google SFSD and CleanLeap
6:15–6:45 Keynote 1: Importance of Nature-based Technology (TrueAlgae)
Keynote 2: Soft Landing Project
Break(15 min)
7:00–8:00 Startup Pitches: Climate tech pitches
8:00–9:00 NetworkingRegister here: https://cleanleap-google.peatix.com/
About Venture Capital Firms
TechNexus (Chicago): TechNexus helps leading corporations and ambitious entrepreneurs developmutually beneficial relationships that accelerate growth opportunities. A first-of-its-kind Venture Collaborative, we invest capital, incubate, and collaborate to createnew growth opportunities. For over a decade, TechNexus has initiated hundreds ofpositive outcomes between mature corporations and early-stage companies tocreate new business models, revenue streams, and products.
Enrichers(San Francisco): Enrichers is an an AI-driven collaborative R&I community management platformdedicated to supporting soft-landing and scaling-up programs for global deep techstartups, particularly in the healthtech and cleantech sectors (in partnership with CleanLeap). Programs are designed to support 1) education & connection 2) marketvalidation 3) university incubation. Ennrichers works closely with EIC EU SovereignFund and CDTI Spanish Soverign Fund. actively expanding our global partnershipswith government agencies and sovereign funds to enhance cross-border innovationand facilitate the entry of high-potential startups into the U.S. and in Europe.
SKJANDER(Sydney, San Francisco): At Skjander, we source and manage real, impactful and measurable biodiversity andenvironmental protection on behalf of clients. We connect global companies seekingcredible, positive environmental impacts to projects that are meaningful, reportableand traceable, in line with international reporting frameworks like TNFD and ISSB.
IDGB Capital(New Jersey): IDGB Capital drives significant benefits and value to its business partners byengaging in the promotion of innovative solutions that are capable of becomingsector leaders. We effectively accomplish that by leveraging our industry andtransactional expertise as well as our global network of close relationships.
united re(New Jersey): United re is a reinsurance facilitator of traditional reinsurance and reinsurancestructured solutions targeting life, property & casualty insurance across Israel,Central and South America, Eastern and Western Europe.
1004 Venture Partners(California): We are a global specialist fund with an investment thesis of “Healthy Aging”throughout life, focusing on health tech, age tech, and healthcare infrastructures.Our passion for innovation in healthcare shapes our journey towards fostering ahealthier and more vibrant future for all.Pitching Companies
- denchi.ai
- Fukuro Vision
- TowingSpeakers
Takutoshi Kamezawa (CRO, CleanLeap & TrueAlgae, Inc.)
Mr. Takatoshi (Taka) Kamezawa assumed the position of Chief Relationship Officer (CRO) of U.S.-based biotech startup TrueAlgae in 2020. He also serves as the Japan Lead for CleanLeap, promoting ESG investment between Japan and the United States. A global executive with over 35 years of experience in investment and project development, he has supported a wide range of startups across sectors including AgTech and FinTech. His extensive professional background includes roles with the Asian Development Bank, Inter-American Development Bank, International Finance Corporation, and the World Bank. A CFA charterholder, he has structured, managed, and advised on transactions across more than 50 countries.More about CleanLeap:
CleanLeap is a startup accelerator focused on driving sustainable innovation. We run programs all around the world that guide founders through the process of growing their businesses, building connections, and getting the support they need to scale. We have strong partnerships across both the U.S. and Europe., such as CleanTech Open (the largest clean tech accelerator program in the U.S.) and Climate-KIC (the biggest climate innovation initiative supported by the EU). As an exclusive partner for both organizations, we play a critical role in identifying and supporting innovative climate solutions within the U.S., as part of a worldwide effort to combat climate change. - CleanLeap Japan CONNECT for Global Innovation @0 Club0 Club, Chiyoda City
CleanLeap is a climate-focused accelerator based in Silicon Valley. We have a 5-day US delegation program in the last week of May with major Japanese organizations.
At this event hosted with 0 Club, we’re bringing together U.S. investors, Japanese corporates, and climate-focused startups to spark new collaborations between Japan and the U.S. Through candid discussions, we’ll explore how major Japanese companies are approaching climate investment from CVCs to LP roles and direct deals and what makes international partnerships work. The event includes a startup pitch session and great opportunities to connect with leaders across both ecosystems.
U.S. Venture Capital Firms: Technexus, Unovis, Enrichers, Skjander, IDGB Capital, United Re, 1004 Venture Partners
🌱 Event Details
Date: Thursday, May 29 10:00am-3:00pm
Location: 0 Club(〒100-0004 Tokyo, Chiyoda City, Ōtemachi, 2 Chome−2−1 新大手町ビル3階)
Language: English
Admission: Free *Advance registration required
Organizer: CleanLeap
Co-host: 0 Club📅 Schedule
10:00–10:30 Introduction of 0 Club and Delegation Members
10:30–10:40 Introduction of CleanLeap
10:40–10:50 Nature and Corporate Growth Strategy
Break (15 min)
11:05–11:45 Panel Discussion “Build Climate Investment Bridges Between the U.S. and Japan”
Lunch Break(1 hr)
12:00-13:00 VC Presentation
13:00–14:00 Startup Pitches: Climate tech pitches to US VCs
14:00–15:00 Networking
**Private rooms will be available for 1-on-1 meetings for those interested in having focused conversations in a quiet settingRegister here: https://cleanleap-0club.peatix.com/
About Venture Capital Firms
TechNexus (Chicago): TechNexus helps leading corporations and ambitious entrepreneurs developmutually beneficial relationships that accelerate growth opportunities. A first-of-its-kind Venture Collaborative, we invest capital, incubate, and collaborate to createnew growth opportunities. For over a decade, TechNexus has initiated hundreds ofpositive outcomes between mature corporations and early-stage companies tocreate new business models, revenue streams, and products.
Enrichers(San Francisco): Enrichers is an an AI-driven collaborative R&I community management platformdedicated to supporting soft-landing and scaling-up programs for global deep techstartups, particularly in the healthtech and cleantech sectors (in partnership with CleanLeap). Programs are designed to support 1) education & connection 2) marketvalidation 3) university incubation. Ennrichers works closely with EIC EU SovereignFund and CDTI Spanish Soverign Fund. actively expanding our global partnershipswith government agencies and sovereign funds to enhance cross-border innovationand facilitate the entry of high-potential startups into the U.S. and in Europe.SKJANDER(Sydney, San Francisco): At Skjander, we source and manage real, impactful and measurable biodiversity andenvironmental protection on behalf of clients. We connect global companies seekingcredible, positive environmental impacts to projects that are meaningful, reportableand traceable, in line with international reporting frameworks like TNFD and ISSB.
IDGB Capital(New Jersey): IDGB Capital drives significant benefits and value to its business partners byengaging in the promotion of innovative solutions that are capable of becomingsector leaders. We effectively accomplish that by leveraging our industry andtransactional expertise as well as our global network of close relationships.
united re(New Jersey): United re is a reinsurance facilitator of traditional reinsurance and reinsurancestructured solutions targeting life, property & casualty insurance across Israel,Central and South America, Eastern and Western Europe.
1004 Venture Partners(California): We are a global specialist fund with an investment thesis of “Healthy Aging”throughout life, focusing on health tech, age tech, and healthcare infrastructures.Our passion for innovation in healthcare shapes our journey towards fostering ahealthier and more vibrant future for all.
Pitching Companies
- Circularise
- PacPortSpeakers
Porter Wong, CleanLeap Founder & Executive Director
Porter Wong is the founder of CleanLeap and an investor with extensive experience as a serial entrepreneur. He is an active angel investor and member of Network VC, DraperX, a mentor at Plug and Play Tech Center, US National Lab Entrepreneurship Academy, USC Viterbi Startup Garage and UC Mentor. In addition to being a mentor at the Plug and Play Tech Center, the US National Lab Entrepreneur Academy, and the USC Viterbi Startup Garage, he is a mentor program co-chair (Western Region) of the US Cleantech Open, and an advisor to the Google SFSD program, contributing to startup support and development in the cleantech and Climate tech field.More about CleanLeap:
CleanLeap is a startup accelerator focused on driving sustainable innovation. We run programs all around the world that guide founders through the process of growing their businesses, building connections, and getting the support they need to scale. We have strong partnerships across both the U.S. and Europe., such as CleanTech Open (the largest clean tech accelerator program in the U.S.) and Climate-KIC (the biggest climate innovation initiative supported by the EU). As an exclusive partner for both organizations, we play a critical role in identifying and supporting innovative climate solutions within the U.S., as part of a worldwide effort to combat climate change.