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Stacksi

acquired by SafeBaseYC W21

Los Angeles, US · Founded 2020 · 4 employees · 1 known investors

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Stacksi provides software that automates the completion of enterprise security questionnaires by parsing uploaded documents and identifying gaps against security standards. It serves salespeople and executives at fast-growing enterprise startups, helping them pass security audits and improve their security programs.

AI & Machine LearningCybersecurityEnterprise SoftwareComplianceUnited States of AmericaAmerica / CanadaFully Remote

Founders & leadership· Y Combinator alumni (W21)

Stacksi was founded in 2020 by Emre Murray Mangir and Joseph Metzinger.

EMEmre Murray Mangir
Emre Murray MangirFounder and CEO (acquired by SafeBase)2020–2024Emre Murray Mangir studied applied mathematics and economics at UC Berkeley. He has worked in pricing and marketing consulting at Simon-Kucher & Partners, co-founded Mozio, a ground transportation aggregation platform, co-founded Stacksi to automate security questionnaires, and currently leads product at Ashby.
JMJoseph Metzinger
Joseph MetzingerFounder & CTO (acquired by SafeBase)2020–2023Joseph Metzinger studied computer science at UC Berkeley. He previously served as co-founder and CTO at Mozio from 2011 to 2020 before co-founding Stacksi, where he currently holds the CTO role.

Investors · 1

Related companies · 5

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VarianceVariance provides AI agents that conduct financial crime investigations for regulated institutions, automating evidence collection and analysis across compliance levels while maintaining audit trails and explainability.
ProboProbo helps organizations manage and demonstrate compliance with standards like ISO 27001 and SOC2. The platform serves companies seeking to simplify compliance assessment and implementation.
ComplyDoComplyDo provides an AI-powered platform that automates enterprise compliance by analyzing regulations and contracts, mapping requirements to internal controls, and identifying compliance gaps for regulated organizations. The platform helps compliance teams reduce manual work and prepare audit-ready documentation.
CotoolCotool builds infrastructure that enables security teams to operate at machine speed through AI agents, automating security investigations and detection logic to close the loop between threat detection and response.

Companies working in the same space as Stacksi.

Legal entities · 1

corporate structure
Stacksi, Inc.

Frequently asked questions

What does Stacksi do?
Stacksi provides software that automates the completion of enterprise security questionnaires by parsing uploaded documents and identifying gaps against security standards. It serves salespeople and executives at fast-growing enterprise startups, helping them pass security audits and improve their security programs.
Who founded Stacksi?
Stacksi was founded by Emre Murray Mangir, Joseph Metzinger in 2020.
Who are Stacksi's investors?
Stacksi's investors include Y Combinator.
Who acquired Stacksi?
Stacksi was acquired by SafeBase.
Where is Stacksi headquartered?
Stacksi is headquartered in Los Angeles, US.