Person profile
Sam Altman
Pioneering the movement toward artificial general intelligence
- Founded
- Merge Labs, Apollo projects, Tools for Humanity +5 more
Investments 150
Companies backed, as recorded by Dealroom. Highest company valuations first.
OpenAI
$1.3T valuation (2026)Gigacorn
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Stripe
$159B valuation (2026)Centacorn
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Reddit
$18.4B valuation (2026)Decacorn
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Helion Energy
$15.5B valuation (2026)Decacorn
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Neuralink
$9.7B valuation (2025)Unicorn
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Retro Biosciences
$5B valuation (2026)Unicorn
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Coalition
$5B valuation (2022)Unicorn
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Oklo
$4.4B valuation (2026)Unicorn
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Patreon
$4B valuation (2021)Unicorn
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Lattice
$3B valuation (2022)Unicorn
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Asana
$2.4B valuation (2026)Unicorn
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Formation Bio
$2.2B valuation (2024)Unicorn
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Show 138 more investmentsShow fewer investments
Quora
$2B valuation (2024)Unicorn
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Boom Supersonic
$1.8B valuation (2025)Unicorn
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Wave Mobile Money
$1.7B valuation (2022)Unicorn
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SingleStore
$1.3B valuation (2022)Unicorn
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Opendoor
$1.3B valuation (2026)Unicorn
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Optimizely | formerly Episerver
$1.1B valuation (2018)Unicorn
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Meter
$1B valuation (2025)Unicorn
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Hermeus
$1B valuation (2026)Unicorn
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Speak
$1B valuation (2024)Unicorn
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Heap
$960M valuation (2021)
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PlanGrid
$875M valuation (2018)
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Cruise
$850M valuation (2024)Unicorn
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BRINC
$750M valuation (2026)
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Aspen Neuroscience
$737.5M valuation (2025)
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Rescale
$690M valuation (2025)
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Humane Ai
$600M valuation (2023)
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Titan
$600M valuation (2022)
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Motion
$550M valuation (2024)
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Volantis
$528M valuation (2026)
Limitless AI
$500M valuation (2023)
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Coco
$480M valuation (2025)
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Meanwhile
$350M valuation (2026)
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Nervana Systems
$350M valuation (2016)
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Ashvattha Therapeutics
$345M valuation (2025)
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Alt Platform
$325M valuation (2021)
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Warp
$300M valuation (2023)
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TrueNorth
$300M valuation (2021)
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Lob
$300M valuation (2021)
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Panorama Education
$300M valuation (2022)
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Optimizely
$300M valuation (2019)
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Vital Bio
$288M valuation (2023)
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Campus
$276M valuation (2025)
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Roboflow
$240M valuation (2024)
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Codecademy
$240M valuation (2021)
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Exowatt
$210M valuation (2025)
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LE TOTE
$210M valuation (2017)
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TripleByte
$210M valuation (2019)
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Nautilus Labs
$204M valuation (2022)
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Galy
$198M valuation (2024)
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Slope
$195M valuation (2024)
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Change.org
$180.2M valuation (2017)
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Preventive
$180M valuation (2025)
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Routable
$180M valuation (2021)
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Superside
$180M valuation (2021)
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ZeroDown
$180M valuation (2019)
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Uncommon
$180M valuation (2023)
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Kami
$175M valuation (2024)
Verifiable
$162M valuation (2023)
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Terraformation
$150M valuation (2023)
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Magrathea
$144M valuation (2026)
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TipTop Labs
$138M valuation (2022)
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1910 Genetics
$132M valuation (2021)
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Rain
$125M valuation (2024)
longshot Space
$120M valuation (2026)
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Conception
$120M valuation (2021)
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Science Exchange
$120M valuation (2019)
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Context
$117M valuation (2022)
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Humane
$116M valuation (2025)
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Spring Discovery
$108M valuation (2018)
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Uncommon
$108M valuation (2018)
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Starsky Robotics
$99M valuation (2018)
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Red Queen Bio
$90M valuation (2025)
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Beacon AI
$90M valuation (2024)
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Primer
$90M valuation (2022)
Oyster
$84M valuation (2014)
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Custora
$82.8M valuation (2018)
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Swiftype
$78M valuation (2015)
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Chroma
$75M valuation (2023)
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Arkham
$72M valuation (2023)
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Journey Colab
$72M valuation (2021)
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URX
$72M valuation (2014)
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Virool
$72M valuation (2016)
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Locket
$60M valuation (2022)
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Arcadia Medicine
$55.5M valuation (2025)
TrueNorth
$51M valuation (2020)
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Quill
$50M valuation (2019)
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Slope
$48M valuation (2021)
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APEX
$47.8M valuation (2025)
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Software Applications
$42M valuation (2023)
eponym
$42M valuation (2016)
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Pilot
$40.2M valuation (2021)
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ValueBase
$37.7M valuation (2024)
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ANA Therapeutics
$30M valuation (2020)
KimonoLabs
$30M valuation (2016)
Couple
$25.2M valuation (2012)
TeachMe To
$25M valuation (2025)
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Realtime
$24M valuation (2020)
ExcepGen
$24M valuation (2023)
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Lugg
$22.8M valuation (2015)
Oyster Technologies
$21.6M valuation (2022)
Mentra
$21M valuation (2023)
shelpful
$18M valuation (2023)
LeadGenius
$18M valuation (2016)
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WeVorce
$18M valuation (2016)
Induced AI
$13.8M valuation (2023)
Eve
$13.8M valuation (2014)
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Fibo
$10.8M valuation (2017)
Konsus
$9.9M valuation (2016)
Priceonomics
$9M valuation (2012)
Prelude
$7.2M valuation (2021)
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CrowdMed
$7.2M valuation (2013)
BufferBox
$6M valuation (2012)
Matrix
$2.8M valuation (2020)
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Curtn
$2.6M valuation (2020)
Coco
$990K valuation (2018)
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Theorem Partners
$750K valuation (2014)
Exec Inc
$750K valuation (2012)
Trade
$750K valuation (2017)
Hogaru
$750K valuation (2017)
Theorem
$720K valuation (2014)
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Meanwhile
$594K valuation (2015)
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Motion
$330K valuation (2022)
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Presto Phoenix
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Gusto
Unicorn
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Atmos
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Airlift Technologies
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Atrium
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Beek
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Plane
Doorbell Health
Airchat
Top Industrial REIT for Accredited Investors
Queer Spaces
Magrathea
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Detect
OpenResearch
ValueBase
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Meter
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Campus
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Carwoo
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Minicircle
Apex
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Warp
Detect
ATMOS
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Airchat
Presto
→
7 Cups
Companies founded
Merge Labs
$850M valuation (2026)
→
Apollo projects
Tools for Humanity
$2.5B valuation (2025)Unicorn
→
World
$3B valuation (2022)Unicorn
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OpenAI
$1.3T valuation (2026)Gigacorn
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Hydrazine Capital
Loopt
$90M valuation (2010)
→
A
AltC Acquisition Corp
$3.4B valuation (2025)
Currently
Active roles, board seats and partnerships.
Work history
Past roles by Dealroom records.
Talks 1
Interviews and talks Dealroom has written up, with the key moments.
