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Rachel Slaybaugh

Investor

General Partner at DCVC (Data Collective) · Board director at Radiant Industries

San Francisco, California

Writes $5M – $25M checks · typically $15M

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You →Sam · together at Fervo Energy →Rachel

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About

Rachel Slaybaugh invests in climate, sustainability, and energy at DCVC. She previously was a tenured Associate Professor of Nuclear Engineering at UC Berkeley, a Division Director running the Cyclotron Road Division at Lawrence Berkeley National Laboratory, and a Program Director at the Department of Energy's ARPA-E, where she created the nuclear fission program and managed the agriculture, solar, and virtual reality portfolios. She holds a bachelor's degree in nuclear engineering from Pennsylvania State University and a master's and PhD in nuclear engineering and engineering physics from the University of Wisconsin–Madison.

Likely email· guessed from name + firm domain, not firm-published

Invests in

CleantechClimate TechDeep TechEnergy

Board director at Radiant Industries

Intro paths

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In turn, Rachel can intro founders to Radiant Industries's investors below.

Radiant Industries's investors · 16

Also CapitalNew York · since 2024Alumni VenturesManchester · $100K – $10M checks · since 2024Andreessen HorowitzMenlo Park · $500K – $50M checks · since 2025Boost VCSan Mateo · $500K checks · since 2024Chevron Technology VenturesHouston · since 2024Chroma VenturesSan Diego · $630K – $6.3M checks · since 2024Collaborative FundNew York · $500K – $1M checks · since 2024Crosscut VenturesLos Angeles · $250K – $750K checks · since 2024DCVC (Data Collective)Palo Alto · $5M – $25M checks · since 2025Decisive PointWashington · $500K – $1M checks · since 2024Draper AssociatesSan Mateo · $500K – $5M checks · since 2025Felicis VenturesSan Francisco · $500K – $15M checks · since 2024Founders FundSan Francisco · $500K – $5M checks · since 2024Manhattan Venture PartnersNew YorkStepstone GroupCharlotteUnion Square Ventures (USV)New York · $1M – $8M checks · since 2022

Co-founders at Radiant Industries

DB
Douglas BernauerExecutive Officer, Director, Promoter

Experience

  1. DCVCGeneral Partnercurrent2026 — present
  2. DCVCPartner2023 — 2026
  3. DCVCPrincipal2022 — 2023
  4. RadiantInvestor Board Member, Compensation Committee Membercurrent2024 — present
  5. RadiantIndependent Board Member2022 — 2024El Segundo, California, United States
  6. Equilibrium EnergyBoard Member, Compensation Committee Chaircurrent2023 — present
  7. Fourth PowerBoard Membercurrent2023 — present
  8. Brimstone EnergyBoard Observercurrent2022 — presentOakland, California, United States
  9. Good Energy CollectiveBoard Member and co-foundercurrent2020 — present
  10. Fervo EnergyBoard Member, People and Culture Committee Chair2024 — 2026
  11. Fervo EnergyBoard Observer2022 — 2024
  12. Special Competitive Studies Project - SCSPCommissioner2024 — 2025
  13. The National Academies of Sciences, Engineering, and MedicineCommittee Member, Study on Laying the Foundation for New and Advanced Nuclear Reactors in the US2020 — 2022
  14. Berkeley LabDivision Director2021Berkeley, California, United States
  15. UC BerkeleyAssociate Professor2014 — 2021Berkeley, CA
  16. Nuclear Innovation BootcampFounder and Organizer2016 — 2021
  17. Biden-Harris Transition TeamDept of Energy Agency Review Team2020
  18. ARPA-EProgram Director2017 — 2020Washington D.C. Metro Area
  19. Naval Nuclear Laboratory (FMP)Senior Engineer2012 — 2014Pittsburgh, Pennsylvania, United States
  20. University of PittsburghAdjunct Professor2012 — 2013Pittsburgh, Pennsylvania, United States
  21. Penn State Breazeale ReactorNuclear Reactor Operator2003 — 2006University Park, Pennsylvania, United States

Skills & more

Nuclear EngineeringNuclear63Numerical Analysis53Fortran33MCNP10Energy22Simulations21Applied Mathematics9Radiation42Heat Transfer10Radiation Safety8Renewable Energy7
+8 moreResearchMonte Carlo SimulationEngineeringComputational MethodsDeterministic neutron transportHigh Performance ComputingShieldingReactor Physics
  • Financial Data Analysis for Leaders Program — UC Berkeley Executive Education

From Rachel's professional profile.

Deals · 2

Radiant IndustriesBoard seat

via DCVC (Data Collective) · filed Dec 2025 · $350M raise

Fervo EnergyBoard seat

via DCVC (Data Collective) · filed Dec 2025 · $462M raise

Attribution from SEC filings, press coverage, and firm rosters.

Other disclosed investments

Sources: SEC Form D filings · curated public sources.

Colleagues at DCVC (Data Collective)

Aimee Villamayor
Office Manager & Executive Assistant, DCVC Bio at DCVC (Data Collective)
Alan Cohen
General Partner at DCVC (Data Collective)
Ali Tamaseb
General Partner at DCVC (Data Collective)
Allyson Kaufman
Investor Relations Partner at DCVC (Data Collective)
Cara Yesko
Associate at DCVC (Data Collective)
Carly Smith
Office Assistant, DCVC Bio at DCVC (Data Collective)
Christopher Meldrum
Entrepreneur In Residence, DCVC Bio at DCVC Bio
Clara Chang
VP, Finance at DCVC (Data Collective)

Network1

Adam Draper
Managing Director at Boost VC

Investors connected to Rachel in public investor directories — a warm-intro map.

Frequently asked questions

Who is Rachel Slaybaugh?
Rachel Slaybaugh invests in climate, sustainability, and energy at DCVC. She previously was a tenured Associate Professor of Nuclear Engineering at UC Berkeley, a Division Director running the Cyclotron Road Division at Lawrence Berkeley National Laboratory, and a Program Director at the Department of Energy's ARPA-E, where she created the nuclear fission program and managed the agriculture, solar, and virtual reality portfolios. She holds a bachelor's degree in nuclear engineering from Pennsylvania State University and a master's and PhD in nuclear engineering and engineering physics from the University of Wisconsin–Madison.
Where does Rachel Slaybaugh work?
Rachel Slaybaugh is General Partner at DCVC (Data Collective) and Board director at Radiant Industries.
What does Rachel Slaybaugh invest in?
Rachel Slaybaugh invests in Cleantech, Climate Tech, Deep Tech, Energy.
What check size does Rachel Slaybaugh write?
Rachel Slaybaugh typically writes checks of $5M – $25M.
What boards does Rachel Slaybaugh sit on?
Rachel Slaybaugh holds tracked board seats at Fervo Energy, Radiant Industries.
What companies has Rachel Slaybaugh invested in?
Investments tracked here include Brimstone, Equilibrium Energy, Fourth Power, Radiant, Verdigris Technologies.
Where did Rachel Slaybaugh go to school?
Rachel Slaybaugh studied at University of Wisconsin-Madison (PhD, Nuclear Engineering and Engineering Physics); Penn State University (BS, Nuclear Engineering).

Same school

Shared employers