Las Vegas, US · Partner
Ben Horowitz
Horowitz at Andreessen Horowitz
Latest rounds
- EchelonRoundOct 2026
- MuzySeed · $4.4MJun 2013
- Nicira NetworksSeries B · $11.3MSept 2010
BacksSoftwareCollaboration ToolsAIGovtech
The firm
Andreessen HorowitzVC firm · US320cheques in 12 months1649all time110ledRounds they were named in
- Rounds
- 11
- Led
- 0
- Disclosed
- $37.3M
- Active
- 2007–26
EchelonRoundSAJoined · +3 investors
- MuzySeed$4.4MUSJoined · +4 investors · historical
- Nicira NetworksSeries B$11.3MUSJoined · +1 investor · historical
FlutherSeed$600kUSJoined · +6 investors · historical- ExtraHop NetworksSeries A$5.1MUSJoined · +2 investors · historical
GoodDataSeed$2.5MUSJoined · +4 investors · historical
AsanaSeed$1.2MUSJoined · +13 investors · historical
WealthfrontSeed$3MUSJoined · +7 investors · historical- MetaplaceSeries B$6.7MUSJoined · +3 investors · historical
- QikRoundUSJoined · +1 investor · historical
- AppNexusSeed$2.5MUSJoined · +6 investors · historical
Rounds where a report named this person rather than a firm, matched on name: read it as a strong hint, not proof, since people share names.
Companies they are listed as backing
Portfolio
Anyscale- AppNexus
- Arweave
- Asana
- Barefoot Networks
- Celo
Cresta
CryptoKitties- Domo
Eco
Factual- Fluther
- Forte
- GoodData
Lytro
Mayvenn- Medium
- Muzy
- Oasis Labs
Reflexer Labs- SignalFx
SnapLogic
Tanium- TripActions
UnitedMasters
dYdX- Apptio
- Disruptive Multimedia
- ExtraHop Networks
- Jawbone
- Magnet Beauty
- Metaplace
- Nicira Networks
- Okta
- Qik
- Tidemark
Where they are named on record
Filings
- SEC Form D · Venture Capital fundELEAHUltimate managing member of the Issuer's GPsince 2026
- SEC Form D · Venture Capital fundAH ADUltimate managing member of the Issuer's GPsince 2026
- SEC Form D · Venture Capital fundATOAHUltimate managing member of the Issuer's GPsince 2026
- SEC Form D · Venture Capital fundDATAHUltimate managing member of the Issuer's GPsince 2026
- SEC Form D · Venture Capital fundCarolahUltimate managing member of the Issuer's GPsince 2026
- SEC Form D · Venture Capital fundAH AIUltimate managing member of the Issuer's GPsince 2026
- SEC Form D · Venture Capital fundAH American Dynamism Fund II-BManaging Member of the GP of the Issuer's GPsince 2026
- SEC Form D · Venture Capital fundAH Crypto Fund V-BManaging Member of the GP of the Issuer's GPsince 2026
- SEC Form D · Venture Capital fundCURAHUltimate managing member of the Issuer's GPsince 2026
- SEC Form D · Venture Capital fundAH CryptoUltimate managing member of the Issuer's GPon 2 filings · since 2026
- SEC Form D · Other investment fundAH 2026 Fund Multiplexer (Unblocked) II, L.P.Ultimate managing member of the Issuer's GPsince 2026
- SEC Form D · Venture Capital fundAH American DynamismUltimate managing member of the Issuer's GPsince 2026
- SEC Form D · Venture Capital fundInnovationUltimate managing member of the Issuer's GPsince 2026
- SEC Form D · Venture Capital fundAndreessen HorowitzUltimate managing member of the Issuer's GPon 4 filings · since 2026
- SEC Form D · Other investment fundAH 2026 Fund Multiplexer (Blocked) II-C, L.P.Ultimate managing member of the Issuer's GPsince 2026
- SEC Form D · Other investment fundAH 2026 Fund Multiplexer (Blocked) II, L.P.Ultimate managing member of the Issuer's GPsince 2026
- SEC Form D · Other investment fundAH 2026 Fund Multiplexer (Unblocked) II-C, L.P.Ultimate managing member of the Issuer's GPsince 2026
- SEC Form D · Venture Capital fundTAP InvestmentUltimate managing member of the Issuer's GPsince 2026
- SEC Form D · Venture Capital fundCURAHMember of the GP LLCsince 2025
- SEC Form D · Venture Capital fundAH Bio Fund V-BManaging Member of the GP of the Issuer's GPsince 2025
Each row is a document a firm filed with a regulator: somebody signed it, and it carries a date.
Their books
The Hard Thing About Hard Things: Building a Business When There Are No Easy Answers―Straight Talk on the Challenges of Entrepreneurship
Ben Horowitz · 2014
4.19 from 114,702 ratings on Goodreads
About the book
A lot of people talk about how great it is to start a business, but only Ben Horowitz is brutally honest about how hard it is to run one. In The Hard Thing About Hard Things, Ben Horowitz, cofounder of Andreessen Horowitz and one of Silicon Valley's most respected and…
What You Do Is Who You Are: How to Create Your Business Culture
Ben Horowitz · 2019
4.00 from 8,251 ratings on Goodreads
About the book
Ben Horowitz, a leading venture capitalist, modern management expert, and New York Times bestselling author, combines lessons both from history and from modern organizational practice with practical and often surprising advice to help executives build cultures that can weather…
Good Product Manager/Bad Product Manager
Ben Horowitz · 2007
4.31 from 103 ratings on Goodreads
About the book
This document focuses specifically on product management in the context of a "divlet" [small division] in AOL. Related key assumptions are that there is a corresponding "business owner" in each of the brands, and that the "products" are generally online services intended for…
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