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Marker

YC S26

San Francisco, US · Founded 2026 · 3 employees · 11 known investors

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10,711 people can intro you to David

Ask Vinay Raj to introduce you to David Pastewka

You →Vinay · together at Gap Inc. →David

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Ask Jamie Chen to introduce you to Richard Berwick

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Ask Sam Okafor to introduce you to Will Drevno

You →Sam · together at YC S26 →Will

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Marker embeds with client companies to build custom AI agents on its Marker Command Center platform, aiming to move organizations toward AI-native operations. It targets enterprises pursuing AI transformation, designing agents that fit into the spreadsheets, reports, and workflows teams already use.

Also known as Widari · Widari Inc.

AI & Machine LearningEnterprise SoftwareFuture of WorkSaaSGenerative AIB2BWorkflow AutomationAIUnited States of AmericaAmerica / CanadaFully Remote

Founders & leadership· Y Combinator alumni (S26)

Marker was founded in 2026 by Richard Berwick, Will Drevno, and David Pastewka.

RBRichard Berwick
Richard BerwickFounderCo-founder of Marker who studied business at UC Berkeley and previously co-founded Drapr (S20), which was acquired by Gap Inc., and Twindom, which was also acquired.
WDWill Drevno
Will DrevnoFounderCo-founder of Marker who previously co-founded Drapr (acquired by Gap Inc.) and Twindom (acquired). He studied engineering at UC Berkeley.
DPDavid Pastewka
David PastewkaFounderCo-founder of Marker who previously co-founded Drapr (S20), which was acquired by Gap Inc. Studied Business and Computer Science at UC Berkeley.
SD
Simon De BaeneFounder

Investors · 11

Redbud Trail Grouplisted by Redbud Trail GroupAustin · $25M

How we know: Redbud Trail Group's portfolio page · Y Combinator's founder network · Not right? Tell us

Vela Partnerslisted by Vela PartnersSan Francisco · $100K – $500K
BetaworksreportedNew York · $250K – $750K

How we know: funding news · Not right? Tell us

Blast.Clubreported$5.5M

How we know: Y Combinator's founder network · Not right? Tell us

CCL Investments SaRLreported

How we know: Y Combinator's founder network · Not right? Tell us

Founders FactoryreportedLondon · $150K – $200K

How we know: Y Combinator's founder network · Not right? Tell us

Index VenturesreportedSan Francisco · $540K – $10.8M

How we know: startupmag.co.uk · funding news · open dataset · 5k.vc investor directory · Not right? Tell us

LocalGlobereportedLondon

How we know: startupmag.co.uk · funding news · Not right? Tell us

OtherwisereportedMill Valley

How we know: funding news · Not right? Tell us

Radical VenturesreportedToronto · $1M – $25M

How we know: funding news · Not right? Tell us

Funding

SEC filings, press & company announcements

$13M disclosed across 1 of 2 rounds · 2026

Source: company announcements and press reports — follow each round's link for the claim.

Founder mafia

3 people who came through Marker went on to found or lead other companies.

David PastewkaFounderFounded DraprRichard BerwickFounderFounded DraprWill DrevnoFounderFounded Drapr

Related companies · 5

Brainbase LabsBrainbase provides an AI agent cloud platform that enables companies to build and deploy AI agents in production across any model or infrastructure.
Redouble AIRedouble provides infrastructure for deploying autonomous AI agents at scale, offering an alternative to sandbox-based agent runtimes. The platform addresses the gap between AI pilot projects and production-ready business deployments.
MulliganMulligan provides AI automation software for commercial insurance brokers to handle quoting, policy verification, proposals, and related tasks at scale.
KeystrokeKeystroke is a platform for building specialized agents and workflow automations that integrate with coding agents like Claude Code and Cursor, allowing users to build actual TypeScript code that lives in their repository and deploy to the Keystroke platform for credential management, logging, and access control.
OneSchemaOneSchema provides AI-powered data integration and validation automation for enterprise data operations teams. The platform automates data intake, extraction, mapping, transformation, and validation across multiple file formats and enterprise systems using LLM-based AI agents.

Companies working in the same space as Marker.

In the news

Marker: AI-native consultancy rebuilding businesses with AI agentsycombinator.com · Aug 2026

Frequently asked questions

What does Marker do?
Marker embeds with client companies to build custom AI agents on its Marker Command Center platform, aiming to move organizations toward AI-native operations. It targets enterprises pursuing AI transformation, designing agents that fit into the spreadsheets, reports, and workflows teams already use.
Who founded Marker?
Marker was founded by Richard Berwick, Will Drevno, David Pastewka in 2026.
Who are Marker's investors?
Marker's investors include Y Combinator, Redbud Trail Group, Vela Partners, Betaworks, Blast.Club, CCL Investments SaRL, Founders Factory, Index Ventures and 3 more.
How much funding has Marker raised?
Marker has disclosed $13M raised across 1 of its 2 known rounds.
Where is Marker headquartered?
Marker is headquartered in San Francisco, US.