Gigascale Capital

Gigascale Capital Research

Investment Thesis

Gigascale Capital is a Palo Alto-based early-stage climate technology venture fund founded in 2023 by former Meta CTO Mike Schroepfer, climate veteran Victoria Beasley, and scientist-investor Evaline Tsai. The firm invests in sectors decisive for climate impact—places where deep tech meets the physical economy to solve real problems and make modern life better.

The fund's core thesis is that breakthrough technologies in energy, materials, industrial processes, food, and the built environment represent the defining investment opportunity of the next decade. Gigascale targets companies with the potential to "reset the world's trajectory" on climate, specifically backing founders building things that are better, faster, and cheaper than the incumbent alternative—not just marginally greener.

A central belief underpinning Gigascale's strategy is that abundant, low-cost clean energy is transitioning from a thesis to an enabling layer for broader climate impact. They see AI as an accelerant for the physical economy—reducing development timelines from years to months and enabling innovation at gigascale.

Stage Focus

Gigascale invests from pre-seed through Series A, with follow-on reserves for existing portfolio companies. The firm embraces early entry into capital-intensive deep tech bets where other investors hesitate. They have also made later-stage follow-on investments (e.g., participated in Heron Power's $140M Series B in 2026 and Commonwealth Fusion Systems' $863M Series B2 in 2025).

Check Size

At seed stage, Gigascale writes checks that support rounds in the $5-10M range. Their $6.2M seed co-lead in Arch (February 2024) alongside Coatue, Floodgate, and MCJ Collective is representative of their early-stage positioning. Estimated typical check size: $500K–$5M at seed; larger follow-on reserves for subsequent rounds.

Lead Tendency

Gigascale leads or co-leads early rounds (seed, pre-seed) and participates in later-stage rounds for existing portfolio companies. They led the Arch seed with Coatue and have board observer positions at multiple portfolio companies (Arch, Dioxycle, Estes, HomeBoost, Light Energy).

Sector Focus

Gigascale invests across the full physical economy, with climate impact as the filter:

Energy & Power:

• Fusion energy (Commonwealth Fusion Systems, XCIMER)
• Grid infrastructure and power electronics (Heron)
• Long-duration energy storage (Form Energy, Estes Energy)
• Geologic hydrogen (First Element)
• Ocean energy (Panthalassa)
• Microreactors (Radiant)
• Residential energy (HomeBoost)
• Embedded electricity products (Light)

Industrial Decarbonization:

• Steel/cement decarbonization (Cocoon)
• Carbon-to-chemicals (Dioxycle)
• Enhanced rock weathering / carbon removal (Terradot, Terraton)
• American copper milling (Red Metals)
• Responsible copper mining (Skouria)
• Rare earth production (Solcoa)

Buildings & Efficiency:

• AI for HVAC contractors (ARCH)
• HVAC operations sensors/AI (Thalo Labs)

Food & Agriculture:

• Food waste prevention (Mill)
• Livestock methane reduction vaccines (Pasture Biosciences)

AI & Robotics for Physical Economy:

• AI for engineering design (Alkali)
• General robotics (Rhoda)
• AI for energy infrastructure transactions (VoR)

Portfolio Highlights

Gigascale's 25+ active portfolio companies include some of the most prominent names in climate deep tech:

• Commonwealth Fusion Systems — raised $863M Series B2 (Aug 2025) to commercialize tokamak fusion; Gigascale participated as a new investor. Mike Schroepfer stated: "CFS is redefining what it takes to build a deep tech unicorn."
• Heron Power — raised $140M Series B (Feb 2026) co-led by a16z and Breakthrough Energy Ventures to build a 40GW US manufacturing facility for solid-state transformer technology. Gigascale is an existing investor.
• Form Energy — multi-day grid-scale energy storage systems
• Radiant — portable microreactors to replace diesel generators
• Mill — food waste prevention hardware and subscription service for households
• Dioxycle — electrochemical CO₂ conversion to chemicals (Gigascale is board observer)
• ARCH — raised $6.2M seed (Feb 2024) led by Gigascale & Coatue; AI platform for HVAC contractors accelerating heat pump adoption

Team

Mike Schroepfer (Founding Partner) — Built a 25-year career spotting tech disruptions and scaling companies. Served 9 years as CTO of Meta (scaled engineering team from 150 to 35,000; founded Meta AI Research Lab; oversaw Oculus and Instagram acquisitions). Previously CEO at Mozilla and founded a Sequoia-backed startup acquired by Sun Microsystems. BS/MS Computer Science, Stanford.

Victoria Beasley (Founding Partner) — 15+ years of climate experience as investor, founder, and operator. Former General Partner at Prelude Ventures ($1.5B AUM), where she led 12 investments across energy, mobility, food/agriculture, carbon management, and materials. Founded an agriculture supply chain company. Former Head of Finance at Suniva ($105M equity raised). MBA + MS in Environment and Resources, Stanford GSB.

Evaline Tsai, Ph.D. (Partner) — Deep scientific rigor and founder empathy, specializing in helping first-time technical founders commercialize breakthrough science. Founded Cambridge Cancer Genomics (YC-backed). First AI/ML PM at Samsara (4 patents). Named Business Insider Rising Star of Venture Capital, 2023. PhD in Chemical Engineering, University of Cambridge; BS in Chemical & Biological Engineering, Princeton. Kauffman Fellow.

John Lilly (Advising Partner) — 30 years of technology company experience. Former GP at Greylock (led investments in Instagram, Dropbox, Figma, Tumblr, Quip). Former CEO of Mozilla (scaled Firefox to 450M+ users). Co-founded Reactivity (enterprise security, acquired by Cisco). Board member: Figma, Duolingo, Nuro. Lecturer at Stanford GSB.

Haley Prout (Associate) — Hardware product engineering expertise. Former roles at DCVC (battery investment thesis), Stanford Impact Fund (carbon removal research). Previously led orthopedic implant development at Stryker (50+ SKUs delivered). MBA-MS in Environment and Resources, Stanford.

Geographic Focus

Primarily United States, with selective investments in France and the United Kingdom. Headquarters in Palo Alto, California.

Decision Process and Approach

Gigascale operates as a partnership. Victoria Beasley and Mike Schroepfer co-lead firm strategy. Investment decisions appear to be made as a partnership team with deep technical diligence—they emphasize "rigorous due diligence on technology economics and founder quality." They are active investors with board observer seats at multiple companies.

Recent Fund Activity

Gigascale Capital Fund I, L.P. is registered with the SEC (Palo Alto, CA). The fund is funded significantly by Schroepfer's family office. The firm has made ~12 direct portfolio investments (with many more through their Activate cohort program, angel investments, and follow-ons—total reaching 47 investments across platforms). They made 4 investments in 2025 and 2 in the first quarter of 2026, indicating active deployment.

Notable 2025–2026 activity:

• Participated in CFS $863M Series B2 (Aug 2025)
• Blog/thesis on energy and AI (Bloomberg Zero, Jun 2025)
• Published primer on long-duration energy storage (Nov 2024)
• Led Arch $6.2M seed with Coatue (Feb 2024)
• Participated in Heron Power $140M Series B (Feb 2026)
• CocoonCarbon follow-on (2026)

Invest vs. Pass Signals

Strong green flags: Deep tech solutions in energy, industrial decarbonization, materials, or food/ag; strong technical founding teams; evidence the product is genuinely better/faster/cheaper than incumbent; US manufacturing angle.

Likely to pass: Pure software plays, consumer social, fintech, healthcare (non-climate), non-climate B2B SaaS, anything without a physical climate impact pathway.