Nisos
Arlington, US · Founded 2015 · Delaware corporation · 102 employees on LinkedIn · 3 known investors
Find your way into Nisos
166 people in our graph share verified history with the Nisos team — schools, employers, funds. One of them is your warm intro.
Michael Robinsonunlockedknows Justin Zeefe · together at Anduril (overlapped)
×3knows the team · via Anduril
knows the team · via European Defense Investor Network
×6knows the team · via Green Flag
knows the team · via Boston University School of Law
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.
Founders & leadership
Nisos was founded in 2015 by Landon Winkelvoss, Justin Zeefe, and Landon W..
LW
Landon WinkelvossinCo-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.
JZ
Justin ZeefeinCo-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.
LW
Landon W.inCo-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.
RL
Ryan LaSallein𝕏Chief 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.
DN
David NorthingtonNamed on SEC filing
Board
DL
Dylan LewisBoard director
CS
Christopher Steedin𝕏Board directorChief Investment Officer and Managing Director at Paladin Capital Group
JB
WP
William PhelpsBoard director
PK
Paul KurtzBoard director
Investors · 3
Also in the syndicate · 1
Skylab Capital
Funding
SEC filings, press & company announcements$41.1M disclosed across 4 rounds · 2018–2025
- $6MraisedJan 2021 · 2 sourcesSource ↗
▶$14MraisedJul 2025 · 5 investors · Other TechnologyRule 506(b)
▶$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
▶$15MraisedMay 2022 · 5 investors · Other TechnologyRule 506(b)
▶$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
▶$6.1MraisedFeb 2019 · 3 investors · Other TechnologyRule 506(b)
▶$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
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 9
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Companies competing with Nisos for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
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.