FFundraiseJet
Third Sphere logo

Third Sphere

San Francisco, CA · Invests in MENA; North America; US · Website

Check size

$250K-$3M

+ Save to my list
Pre-SeedSeedSeries AAI & Machine LearningDeveloper ToolsData & AnalyticsReal Estate & ProptechClimate & EnergyRoboticsClimate & Clean EnergyRobotics & AutomationLogistics & Supply ChainReal Estate & PropTechAgeTech & Longevity

Thesis

We fundamentally reshape broken global systems by supporting founders who turn theory into action to build better world. Hardware-enabled solutions (80% portfolio) with software components solve transformative climate challenges in energy, infrastructure, transportation, water, and adaptation. We run toward hardware because less competition and less noise. Climate is about more than carbon—it's adaptation, resilience, and systems change.

Likely not a fit for

No pure software plays. No companies without clear climate/resilience impact. No founders relying only on subsidies/policy. No teams unwilling to engage with hands-on support and transparency.

How they invest

Lead or follow
Usually leads
Typical decision
~2 months
Warm intro
Not required
Involvement
Advisor
Fund status
Actively deploying
Assets under mgmt
$200M
Decision process
Partnership vote

Partners & team

5 contacts on file

SB

Stonly Baptiste Blue

Co-founder & Managing Partner · Primary contact

YA

Yana Andrea Klimova

Partner

SK

Shilpi Kumar

Partner

SA

Shaun Abrahamson

Partner

MM

Miela Mayer

Partner

Portfolio

UrbintEnterprise Software

Urbint helps leading utilities and infrastructure companies prevent incidents, protect workers, and prepare for the next 50 years of operational resilience through AI-powered solutions.

RachioConsumer Apps Social

Rachio provides smart watering devices and solutions that integrate with home automation systems to optimize irrigation based on weather conditions, helping users save water and maintain healthy landscapes.

ChargeLabClimate Clean Energy

ChargeLab is the operating system for EV chargers, providing back-end software for EV charger manufacturers, turnkey installers, and network operators in North America.

Mark43Enterprise Software

Mark43 is a public safety technology company that provides a cloud-based platform for law enforcement and public safety agencies, offering tools for records management, analytics, and compliance.

CircuitLogistics Supply Chain

Circuit offers local electric shuttle services, providing a sustainable transportation solution for urban areas.

Bowery Farming

Bowery Farming is a modern farming company that reimagines agriculture by growing flavorful, sustainable, and safe produce indoors, right outside of cities. Utilizing vertical farming techniques and advanced technology, Bowery aims to maximize yield while minimizing resource consumption, ensuring that their produce is both delicious and environmentally friendly.

Sonic Fire TechSecurity Cyber

Sonic Fire Tech develops innovative fire suppression systems using patented infrasound technology to prevent wildfires without water or chemicals. Founded by former NASA engineers, their solutions provide rapid, damage-free protection for homes and critical infrastructure.

Near Space LabsEnterprise Software

Near Space Labs specializes in providing high-resolution aerial imagery and data analytics using advanced balloon technology to capture images from the near-space environment.

AccessGridEnterprise Software

AccessGrid provides an API for NFC access passes on mobile devices, enabling secure access control solutions compatible with MIFARE DESFire technology. The platform allows users to manage mobile keys for Apple and Google Wallet, catering to startups, access control integrators, and large enterprises.

Sention TechnologiesEnterprise Software

Sention Technologies provides measurement and data solutions for the electrochemical power industry, specializing in ultrasound, X-ray computed tomography, and electrochemical testing, combined with artificial intelligence to enhance battery development and manufacturing.

NevoyaLogistics Supply Chain

Nevoya is a fully-electric trucking carrier focused on zero-emissions freight movement, utilizing AI-first operations to optimize logistics and enhance efficiency.

EvolOHClimate Clean Energy

EvolOH specializes in high-throughput manufacturing of electrochemical stacks for clean hydrogen production, focusing on decarbonizing the chemical industry with innovative electrolyzer technology.

Recent activity

Third Sphere in the news

Similar firms

Active Impact Investments$250K–$3M

Canada's largest dedicated climate-tech seed fund with over $180M–$200M AUM. Operates a capital + talent model with shared talent hub for portfolio companies. Only backs business models where revenue growth is directly tied to climate outcomes and tracks tonnes of CO₂e mitigated as their north star metric. Founded by Mike Winterfield, formerly President of Randstad Professionals managing $300M in revenue.

Congruent Ventures$250K–$3M

Early-stage and continuity backer that enters as a first check, leveraging deep cleantech cycles experience and multidisciplinary underwriting to support technically complex hardware-plus-software climate founders through valley of death. Co-founded by cleantech venture veterans investing through multiple boom-and-bust cycles since the mid-2000s, providing deep pattern recognition and disciplined approach shaped by Cleantech 1.0 experience. Operates with long-duration fund structure allowing entry at earliest stages and continued backing through separate Continuity Fund as companies scale.

Climate Capital$25K–$250K

Rolling micro-fund and syndicate that mobilizes 2,000+ operator and angel LP co-investors into a broad distribution and mentorship network for climate startups.

Climactic$1.5M–$3M

Operator-led, software-first climate-tech investor focusing on energy, AI, automation and robotics, helping founders craft consumer-grade storytelling and go-to-market to position companies as acquisition targets in an expected M&A boom.

Prelude Ventures$100K–$5M

Prelude Ventures manages capital exclusively for the climate-focused Simons family, creating a single-LP structure that demands strict venture returns from a 100% climate portfolio while applying a hard "no fossil fuels" rule that rejects any technology making oil, gas, or coal extraction cheaper or longer-lived. The firm combines deep technical operating experience with climate activism roots and has invested continuously through climate tech's "dark years" since 2009, positioning itself as a climate generalist comfortable with high capital intensity and long hardware timelines across the entire low-carbon economy.

Research briefRead more
Third Sphere Research Investment Thesis Third Sphere is a climate-focused venture capital firm founded in 2013 that fundamentally reshapes broken global systems by supporting founders who turn theory into action to build a better world for everyone. The firm believes that transformative climate solutions come from hardware-enabled companies (80% of portfolio) that address systemic inefficiencies in energy, infrastructure, transportation, water, agriculture, and resilience/adaptation. Rather than chasing software-only plays, Third Sphere runs toward hardware because it's where the most transformative climate solutions live and where there is less competition and investor noise. The fund emphasizes that climate is about more than just carbon—it encompasses adaptation, resilience, electrification, and sustainable systems change across multiple domains. Sector and Technology Focus Third Sphere invests across climate and sustainability sectors with particular expertise in: Primary Focus Areas: Affordable & Clean Energy: electrification solutions, renewable energy Sustainable Cities & Communities: urban infrastructure, building tech Industry, Innovation & Infrastructure: manufacturing, supply chain, industrial solutions Clean Water & Sanitation: water treatment and management Responsible Consumption & Production: circular economy, waste reduction Connected Transportation & Logistics: EV charging, sustainable mobility Climate Action: carbon reduction, climate resilience Systems Evolution: foundational changes to broken systems Portfolio Composition: 80% hardware-enabled solutions with software components Focus on companies providing better, faster, cheaper offerings through techno-economic improvements Strong AI and automation integration to improve hardware performance and reduce manufacturing costs Approximately 100 portfolio companies with diversified stage distribution Investment Stage and Check Size Preferred Stages: Pre-Seed: $250K-$500K for early-stage technical founders Seed: $1M-$3M for companies with initial traction Occasional Series A follow-ons for proven portfolio companies Check Size Details: Typical initial investment: $250K-$1M Average Seed round: $3.44M Average Series A participation: $5.8M Earmarks up to $2M for follow-on rounds ("Speedstrapping" approach) Focus on minimizing dilution while preserving founder ownership Lead Tendency Lead Strategy: Third Sphere primarily LEADS early-stage rounds (Pre-Seed and Seed), positioning themselves as often the first institutional investor. They have introduced the next lead investor in 50% of their portfolio company raises—a track record few funds match. For later-stage rounds, they participate actively but typically as co-investors alongside other institutional VCs. Recent Activity and Portfolio Highlights Fund Status: Actively deploying from Fund IV (closed 2024) Recent Investments (2025): Oct 2025: Sonic Fire Tech (Seed) - infrasound fire defense technology Sep 2025: AccessGrid (Series A) - building automation/energy management May 2025: Sention Technologies (Seed, UK) - battery diagnostics Apr 2025: Near Space Labs (Series B follow-on) - geospatial intelligence Apr 2025: Nevoya (Seed) - zero-emissions freight solutions Notable Portfolio Acquisitions: Urbint (acquired by Itron, Oct 2025, $325M) - AI-driven urban data platform Rachio (acquired 2025) - smart irrigation and water conservation Firmus (acquired 2025) - hardware-focused climate solutions RoadBotics (acquired 2022) - AI-powered infrastructure monitoring Active Portfolio Highlights: 100 portfolio companies across diverse climate sectors Geographic coverage: US (primary), Canada, Germany, Switzerland, UK, Israel, South Africa 12 acquisitions to date, demonstrating strong exit track record Multiple companies operating as portfolio "unicorns" with significant scale Team Composition and Background Core Leadership: Stonly Baptiste Blue - Co-founder & Managing Partner Serial entrepreneur and co-founder of Third Sphere in 2013 Founded multiple software, hardware, and service companies Exited enterprise cloud platform company (acquired by NetApp) Taught at University of Chicago Booth School of Business Lecturer at Harvard Business School and UC Berkeley Board member, Impact Capital Managers Technical foundation in physics with deep startup operations experience Yana Andrea Klimova - Partner CFO and finance expert with scaling expertise across Clean Tech and SaaS Head of Finance at Unreasonable Group (accelerator/investor in high-impact ventures) Investment banking background: equity at Wellington Management, derivatives at Bank of America Merrill Lynch Nonprofit experience: managed financials at Partners In Health across developing countries Master's in Corporate Finance & Accounting (Boston College), International Economics degree (Brandeis) Fluent in Russian and Spanish Other Partners: Shilpi Kumar - Partner with deep climate tech expertise Shaun Abrahamson - Partner Miela Mayer - Partner Additional partners including Ramon Pastrano, Saneel Radia, Gerald Rousselle, Mark Crofton, and Florian Dejako (Munich-based for EU network) Team Size: 11 total members, including 10 partners Decision Process and Timeline Decision Process: Partnership-based model where all partners engage in investment decisions. Not a solo GP fund. Multiple partner review and consensus-driven approach to investments. Decision Timeline: Streamlined but thorough due diligence process. Third Sphere focuses on understanding both business opportunity and founder vision/character. They share deal memos with founders to show where the fund has questions and excitement. Reporting Expectations: Founders expected to provide monthly or quarterly updates via OKRs and investor updates. Transparent, regular communication is emphasized as critical for partnership strength. Founder Preferences and Anti-Thesis Ideal Founder Profile: Technical founders with deep domain expertise and hardware experience Entrepreneurs solving genuinely "hard" problems others avoid Founder-led teams with clear technical vision People who believe they are "absolutely unstoppable" Willing to pursue capital-efficient paths via "Speedstrapping" (building with fewer resources, leveraging AI/automation) Anti-Thesis: No pure software plays without hardware components Avoid companies without clear climate impact or resilience value Do not back teams pursuing unrealistic venture-debt funded growth No interest in companies relying solely on government subsidies or policy changes for viability Avoid teams not aligned with hands-on support and transparency Geographic Focus and Investment Approach Primary Markets: United States (SF Bay Area, NYC, Seattle - strongest activity) Europe: UK, Germany, Switzerland, France Emerging markets: Israel, South Africa, Canada Selective international coverage for proven teams seeking US capital markets access Geographic Distribution: 27+ US investments, with meaningful activity in Canada (2), Germany (2), Switzerland (2), plus single investments in France and others. International Strategy: Effective playbook for teams from smaller markets seeking US capital access and customer acquisition. Will invest in teams not planning US sales for some time, understanding that US capital markets provide the best venture funding environment globally. Deal Structure and Investment Approach Funding Instruments: Pre-Series A: SAFEs preferred for flexibility, optionality, speed, and founder-friendly terms Series A and beyond: NVCA Enhanced Model Term Sheet v3.0 as reference Valuation Approach: Multiple frameworks including "Doubling Model" alongside revenue multiples factoring in growth rates, margins, and market size. Realistic valuations without unnecessary founder dilution early-stage. Fundraising Support: Extensive coaching on pitching and investor relations Proprietary playbooks for multiple fundraising strategies (Plan A: full-stack VC; Plan B: minimal VC + grants/debt; Plan C: no VC + sustainable cashflow) Built AI-powered tools (MATCHA, ALIGN) for assessing VC and non-dilutive capital partner fit Portfolio access to credit funds and alternative capital sources Value-Add and Support Model Hands-On Involvement: Extremely active post-investment Emphasize outworking other investors on introductions Available for "difficult moments, weekend emergencies, and critical inflection points" Founders receive coaching on everything from OKRs to investor updates Community-based support connecting founders with other portfolio companies, customers, and talent Founder Tools & Resources: Access to proprietary Sync platform for investor and capital partner matching Frameworks for OKRs, investor updates, and communication AI-powered tools for high-quality introductions and capital matching Access to 500+ portfolio company jobs board Practical support with profitability vs. growth tradeoffs Co-Investor Network: Maintain relationships with 250+ co-investors including URBAN-X, Techstars, SV Angel, and numerous specialized climate VCs Governance and Board Participation Board Approach: Do NOT typically take board seats. Prefer observer status to access information prepared for board (financials, ESG reports) without requiring additional meetings or reporting. Emphasizes feedback without formal control. Information Rights: Standard board observer rights to access information shared with board. Define minimum data/reporting expectations (financials, ESG metrics) but focus is on ability to ask questions and provide feedback, not control. Vision: Avoid "Major Investor" language that restricts information flow. Believe early investors should have information access and ability to provide valuable feedback without limiting vision or strategy. ESG and Impact Approach Impact Focus: Beyond financial returns, Third Sphere seeks direct climate and sustainability outcomes. During deal memos, focus on potential impact on planet and people as company grows. Governance Philosophy: Early-stage governance feels like overhead, but once product-market fit is achieved, focus on safeguarding against mistakes that limit growth and impact. Goal is not formal control but ability to review, question, and provide feedback. Environmental & Social Reporting: While governance is streamlined early, Third Sphere emphasizes that founders should expect feedback on sustainable practices, team diversity, and impact metrics as companies scale. Market Perspective and Advice Growth vs. Profitability: Do not believe companies should outraise and buy marketshare at all costs. While revenue is important, recognize that chasing growth can be dangerous in certain conditions. Better customers eventually pick better offerings. Encourage founders to understand strategic optionality. Hardware Advantage: Unlike most VCs who run from hardware, Third Sphere believes hardware-enabled companies benefit from proprietary data paired with improving AI/ML tools. This creates competitive advantage and defensibility. Capital Markets View: Recognize significant challenges in growth-stage investing (even 5x YoY growth companies struggling to fundraise). Advocate for founder optionality through profitability paths alongside growth strategies. Policy & Political Resilience: Strong view that founders should build business models resilient to policy changes. Many climatetech companies unconsciously rely on government support that can disappear. Help founders build sustainable models regardless of political environment while recognizing competitive global landscape. AI Integration: Active participants in AI revolution, not just observers. Leveraging AI throughout operations and helping portfolio companies integrate AI/automation. Particular expertise in low-cost sensors paired with improving training frameworks. Limited Partners and LP Support LP Profile: Large institutions involved in global financial services Endowments and non-profits Family offices operating in real estate, mobility, and other domains Former senior executives from KKR, Google, NVIDIA Notably, some Third Sphere-backed founders have become LPs in subsequent funds LP Return Expectations: Strong alignment between financial returns and impact outcomes. LPs want climate impact but NOT concessionary returns. Belief that tight link exists between impact and revenue: for each $1 of revenue, direct correlation to metrics like GHG reduction or resilience. LP Engagement: Many LPs explicitly seeking to co-invest in promising portfolio companies. Fund actively makes relevant connections for industry expertise or geographic access. Some LPs provide direct portfolio support and mentoring. Industry Recognition: ImpactAssets IA 50 (2023) - Leading impact manager Impact Capital Managers membership Coolwater GP community member #1 ranked seed-stage climate fund in North America (Climate50, 2022) Top 10 VCs founders love (TechCrunch, amid COVID-19) Case study teaching material at Harvard Business School Platform and Technology Infrastructure T-Sync Platform: Proprietary matching platform connecting portfolio companies with investors and capital partners for next rounds. Enables high-resolution fundraising and capital stack optimization. Related Initiatives: Perl Street: Spin-out focusing on distributed asset finance (ebikes, porta potties, hardware-as-a-service). Transforms under-banked hardware companies into bankable deployments using project finance structures. Urban Gateway: Partnership for global expansion, particularly China. Helps founders explore impact in Chinese market for distributed energy, sustainable real estate, virtual power plants, waste-to-energy. URBAN-X: Concluded operations (Dec 2021) to focus on core Third Sphere platform. During 2017-2021, sourced and coached 90+ startups with 90% raising follow-on funding. Speedstrapping Initiative (Plan A) Core Model: Building with fewer resources but more focus through AI/automation efficiency and alternative funding. Investment: $250K-$1M initial + earmarked $2M for next round Timeline: Speed-run to $1M ARR or $10M in pre-orders over 6 months Support: Access to AI workflows for investor research and talent matching, community of talent and early adopters, coaching on building for a future that doesn't need traditional VC Ideal Founders: People who believe they're absolutely unstoppable, willing to go all-in on AI/automation to minimize burn and achieve 10x faster outcomes. Will invest post-bankruptcy. Rationale for Change from Traditional VC: AI enables 10x productivity with fewer people. Growth VC landscape has become unreliable. Private credit now offers real alternatives to equity. Together, these forces make traditional funding models less necessary. Conclusion Third Sphere represents a sophisticated, hands-on climate venture fund with deep operational expertise, strong founder networks, and proven conviction about the future of hardware-enabled climate solutions. With nearly 100 portfolio companies, 12 acquisitions, and multiple high-value exits, the fund has demonstrated consistent execution and strong returns. The partnership brings complementary skills (technical operations, finance, systems change) and maintains an unwavering focus on both financial performance and measurable climate impact. Their emphasis on accessibility to founders from smaller markets, willingness to invest in hard-to-solve problems, and commitment to transparency and founder partnership distinguish them in the climate VC landscape.

Add Third Sphere to your investor list

Sign up free to save investors, see partner contacts, and track your raise.

Sign up