Nisos was founded by Landon Winkelvoss, Justin Zeefe, Landon W. in 2015.

Who are Nisos's investors?

Nisos's investors include Columbia Capital, Paladin Capital Group.

How much funding has Nisos raised?

Nisos has disclosed $41.1M raised across 4 rounds.

Where is Nisos headquartered?

Nisos is headquartered in Arlington, US.

Nisos

Arlington, US · Founded 2015 · Delaware corporation · 102 employees on LinkedIn · 3 known investors

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Nisos provides managed intelligence services and an OSINT platform (Ascend) to help organizations address human risk, protect executives and online platforms, monitor threats, and run investigations. Its offerings serve enterprise, legal, and federal customers across areas such as insider threat, third-party intelligence, and employee lifecycle security.

Cybersecurity Data & Infrastructure Enterprise Software GovTech

Founders & leadership

Nisos was founded in 2015 by Landon Winkelvoss, Justin Zeefe, and Landon W..

Landon Winkelvoss Co-founder · Chairman Advisory Board & Board of DirectorsLandon Winkelvoss co-founded Nisos in 2015 after spending a decade as an analyst with the CIA, Department of Defense, and State Department, including overseas postings. He currently serves as a director and advisor at Nisos, which provides intelligence services and an AI-powered platform for investigating threats, protecting executives, and managing insider risks.

Justin Zeefe Co-Founder & Board Member (CEO ‘15-‘20)Justin Zeefe co-founded Nisos, a managed intelligence and OSINT platform company serving enterprise and federal customers. He previously spent a decade in U.S. government roles focused on digital threat investigation and worked as an attorney.

Landon W.Co-founder · Chairman Advisory Board & Board of DirectorsLandon W. co-founded Nisos in 2015 after spending 10 years as an analyst with the CIA, DOD, and Department of State, including overseas postings. He now serves on Nisos's board.

Ryan LaSalle Chief Executive OfficerRyan LaSalle is CEO of Nisos, which provides managed intelligence and OSINT services to help organizations address human risk and security threats. He previously served as North America Lead for Accenture Security and spent over 25 years at Accenture leading client engagements in cybersecurity, analytics, and risk management across commercial, nonprofit, and public sector organizations; he holds a Bachelor of Science in electrical engineering from Princeton University.

David NorthingtonNamed on SEC filing

Board

Dylan LewisBoard director

Christopher Steed Board directorChief Investment Officer and Managing Director at Paladin Capital Group

Jason BoomaBoard directorPartner at Columbia Capital

William PhelpsBoard director

Paul KurtzBoard director

Investors · 3

Columbia Capitallisted by Columbia CapitalAlexandria · $15M – $40M

How we know: Columbia Capital's portfolio page · funding news · technical.ly · Not right? Tell us

Paladin Capital Grouplisted by Paladin Capital GroupWashington · $100K – $5M

How we know: a partner's Signal profile · funding news · technical.ly · the VCSheet dataset · Not right? Tell us

Also in the syndicate · 1

Skylab Capital

Funding

SEC filings, press & company announcements

$41.1M disclosed across 4 rounds · 2018–2025

$6MraisedJan 2021 · 2 sources
Source ↗

▶$14MraisedJul 2025 · 5 investors · Other Technology

Rule 506(b)

Officers, directors & promoters on the filing

Ryan LaSalleExecutive Officer, Director
Dylan LewisDirector
Christopher SteedDirector
Landon WinkelvossDirector
Jason BoomaDirector
William PhelpsDirector
Paul KurtzDirector

Offering amount: $14M
Amount sold: $14M
First sale: Jun 2025
Incorporated: Corporation, Delaware
Federal exemptions: 06b

Full filing on SEC EDGAR ↗

▶$15MraisedMay 2022 · 5 investors · Other Technology

Rule 506(b)

Officers, directors & promoters on the filing

Jason BoomaDirector
Paul KurtzDirector
Justin ZeefeExecutive Officer, Director
Christopher SteedDirector
Dylan LewisDirector
Landon WinkelvossDirector
David EtueExecutive Officer, Director

Offering amount: $15M
Amount sold: $15M
First sale: Apr 2022
Incorporated: Corporation, Delaware, 2018
Federal exemptions: 06b

Full filing on SEC EDGAR ↗

▶$6.1MraisedFeb 2019 · 3 investors · Other Technology

Rule 506(b)

Officers, directors & promoters on the filing

Landon WinkelvossExecutive Officer, Director
Jason BoomaDirector
Justin ZeefeExecutive Officer, Director
David NorthingtonDirector
Dylan LewisDirector

Offering amount: $6.1M
Amount sold: $6.1M
Proceeds to insiders: $960.7K
First sale: Nov 2018
Incorporated: Corporation, Delaware, 2018
Federal exemptions: 06b

Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Related companies · 8

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illusive networksProofpoint offers a suite of enterprise security and compliance products that protect people, email, cloud apps, and data from human-centric cyber threats using machine learning and AI. Its tools also cover data loss prevention, communications archiving, e-discovery, compliance supervision, identity threat detection, and security awareness training.

MimecastMimecast provides email security, data loss prevention, cloud archiving, and human risk management products used by organizations to protect communications and data. Its cybersecurity portfolio serves enterprise and channel-partner customers across regions including EMEA and APAC.

HuntressHuntress provides enterprise-grade cybersecurity solutions designed for businesses of all sizes, focusing on threat detection and response to protect organizations against hackers.

ExabeamExabeam provides a security operations platform that ingests logs and telemetry from multiple point solutions, enriches data with behavioral analytics, and correlates alerts to deliver threat detection and investigation capabilities for security teams. The platform integrates with SIEMs and third-party security tools through open API standards and automation workflows.

Cloudflare, Inc.Cloudflare provides a global cloud network platform delivering security, performance, and development services through sixty-plus integrated services including SASE, application security, and full-stack development infrastructure.

Palo Alto NetworksPalo Alto Networks provides cybersecurity platforms and services to protect organizations' digital infrastructure across cloud, network, and security operations. The company serves enterprise organizations, governments, financial institutions, utilities, and healthcare providers globally.

Sentinel OneSentinelOne provides an AI-powered cybersecurity platform for enterprises that integrates endpoint protection, threat detection, and incident response capabilities. The company serves large enterprises, including many Fortune 500 organizations, to protect against cyber threats at scale.

Companies working in the same space as Nisos.

Frequently asked questions

What does Nisos do?: Nisos provides managed intelligence services and an OSINT platform (Ascend) to help organizations address human risk, protect executives and online platforms, monitor threats, and run investigations. Its offerings serve enterprise, legal, and federal customers across areas such as insider threat, third-party intelligence, and employee lifecycle security.
Who founded Nisos?: Nisos was founded by Landon Winkelvoss, Justin Zeefe, Landon W. in 2015.
Who are Nisos's investors?: Nisos's investors include Columbia Capital, Paladin Capital Group.
How much funding has Nisos raised?: Nisos has disclosed $41.1M raised across 4 rounds.
Where is Nisos headquartered?: Nisos is headquartered in Arlington, US.