Where does James Alcorn work?

James Alcorn is Partner at Lightspeed Venture Partners.

What check size does James Alcorn write?

James Alcorn typically writes checks of $1M – $10M.

What boards does James Alcorn sit on?

James Alcorn holds tracked board seats at Argilla, Inc., Featureform, Galley Solutions.

Where did James Alcorn go to school?

James Alcorn studied at University of California, Berkeley (Bachelor of Science (BSc.)); University of Melbourne; Brisbane Grammar School.

James Alcorn

Investor

Partner at Lightspeed Venture Partners

San Francisco Bay Area

Writes $1M – $10M checks · typically $5M

Find your path to James

774 people in our graph share verified history with James — schools, employers, funds. One of them is your warm intro.

James DetweilerunlockedJames: together at Zetta Venture Partners (2021–2022)

×5James: together at Anthropic

James: together at Thinking Machines Lab

×4James: together at University of California, Berkeley

Experience

LightspeedPartnercurrent2024 — present
Judgment LabsBoard Directorcurrent2025 — present
FactoryInvestorcurrent2023 — present
Periodic LabsInvestorcurrent2025 — present
AnthropicInvestorcurrent2025 — present
InferactInvestorcurrent2026 — present
Thinking Machines LabInvestorcurrent2025 — present
LMArenaInvestorcurrent2025 — present
ReflectionAIInvestorcurrent2024 — present
Unsloth AIBoard Observercurrent2024 — present
Virtue AIBoard Directorcurrent2025 — present
ClericBoard Director2023 — 2024
ArgillaBoard Director2022 — 2024
WeaviateBoard Director2021 — 2024
GalleyBoard Director2020 — 2024
FeatureformBoard Director2020 — 2024
EnsoDataBoard Observer2020 — 2024
Zetta Venture PartnersPartner2018 — 2024
Spectrum EquityAnalyst2017 — 2018San Francisco, California, United States

Deals · 3

Argilla, Inc.Board seat

via Zetta Venture Partners · filed Nov 2023 · $5.5M raise

FeatureformBoard seat

via Zetta Venture Partners · filed Feb 2023 · $5.6M raise

Galley SolutionsBoard seat

via Zetta Venture Partners · filed May 2022 · $14.2M raise

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

Colleagues at Lightspeed Venture Partners

Alexander Schmitt

Partner at Lightspeed Venture Partners

Amber Yang

Investor at Bloomberg Beta

Anand Iyer

Investor and founder in San Francisco

Anoushka Vaswani

Partner at Lightspeed Venture Partners

Antoine Moyroud

Partner at Lightspeed Venture Partners

Arif Janmohamed

Partner at Lightspeed Venture Partners

Banafsheh Fathieh

General Partner at Faction

Barry Eggers

Co-Founder, Lightspeed at Giant Ventures Global Llp

Network5

Apoorva Pandhi

Investor at Zetta Venture Partners

Ash Fontana

Managing Director at Zetta Venture Partners

Cathrin Stickney

Venture Partner at Zetta Venture Partners

Dylan Reid

Investor at Zetta Venture Partners

Thaxter Sharp

Partner at Zetta Venture Partners

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

Frequently asked questions

Who is James Alcorn?: Partner at Zetta Venture Partners
Where does James Alcorn work?: James Alcorn is Partner at Lightspeed Venture Partners.
What check size does James Alcorn write?: James Alcorn typically writes checks of $1M – $10M.
What boards does James Alcorn sit on?: James Alcorn holds tracked board seats at Argilla, Inc., Featureform, Galley Solutions.
Where did James Alcorn go to school?: James Alcorn studied at University of California, Berkeley (Bachelor of Science (BSc.)); University of Melbourne; Brisbane Grammar School.

Same school

Also attended University of California, Berkeley2,000

Byron DeeterPartner at Bessemer Venture Partners Steve WozniakCo-founder of Apple Tony XuCo-founder & CEO of DoorDash Aravind SrinivasCo-founder & CEO of Perplexity AI Ali GhodsiCo-founder & CEO of Databricks Ryan PetersenFounder & CEO of Flexport

+ 1,994 more

Also attended University of Melbourne367

Cameron AdamsCo-founder & Chief Product Officer of Canva Kevin JohnsonInvestor at Medicxi Esther GilmoreGlobal Head of the Client Team at Generation Investment Management Mark MillsClient Team Member at Generation Investment Management PaulInvestor at Square Peg Capital Clarissa KartikaAssociate, Investment at Vertex Ventures Sea Management Pte. Ltd.

+ 361 more

Also attended Brisbane Grammar School13

Harry LambAssociate at Artesian Arash SaidiGeneral Partner at Cypher Capital Nicholas ArmstrongGeneral Counsel at Bullish Dave McNameeExecutive Director at Powerhouse Ventures Tim WikmanInvestment Team at Athletic Ventures Charlie SelthChief of Staff at Proto Axiom

+ 7 more

Shared employers

Also worked at Judgment Labs1

Alex ShanFounder at Judgment Labs

Also worked at Thinking Machines Lab9

Sangeen ZebInvestor at GV (Google Ventures)PaulInvestor at Square Peg Capital Mo El-BibanyGeneral Partner at Page One Ventures Ziyaad KhayratteePartner at Factorial Funds Clare BirchSenior Associate at Blackbird Ventures Lisa HanPartner at Lightspeed Venture Partners

+ 3 more

Also worked at ReflectionAI8

Stephanie ZhanInvestor at Sequoia Capital Max GazorInvestor at Striker Venture Partners Brian ZhanInvestor at Striker Venture Partners Daisy CaiGeneral Partner at B Capital Raviraj JainPartner at Lightspeed Venture Partners Adriel SaportaVenture Fellow at SHAKTI

+ 2 more

Also worked at Virtue AI8

Marc A. SingerManaging Partner at Osage University Partners Ajay RayasamPrincipal at Osage University Partners Guru ChahalPartner at Lightspeed Venture Partners Shankar ChandranPartner at Walden Catalyst Abhishek ShuklaManaging Director at Prosperity7 Ventures Daisy GarciaSr. Investment Associate at Prosperity7 Ventures

+ 2 more