Ariel Tseitlin
Partner at Scale Venture Partners
Sunnyvale, California
Writes $5M – $15M checks · typically $10M
About
Ariel Tseitlin, ex-Netflix Director of Cloud Solutions, backs technical security and infrastructure teams and uses his Netflix Simian Army/Chaos Monkey experience to advise scaling from product-market fit to enterprise.
Invests in
AI & Machine LearningCloud ComputingCybersecurityData & InfrastructureDeveloper ToolsFintechSaaS
Deals · 11
System Initiative, Inc.Board seat
via Scale Venture Partners · filed Apr 2025 · $6.2M raise
Singularity TopCoBoard seat
via Scale Venture Partners · filed Oct 2024 · $53.4M raise
Lumos App, Inc.Board seat
via Scale Venture Partners · filed Jun 2024 · $35M raise
BigIDBoard seat
via Scale Venture Partners · filed Feb 2024 · $61.4M raise
Hound Technology, Inc.Board seat
via Scale Venture Partners · filed Apr 2023 · $50M raise
VntgBoard seat
via Scale Venture Partners · filed Mar 2023 · $21M raise
AppOmni, Inc.Board seat
via Scale Venture Partners · filed Jun 2022 · $90M raise
Cyber Global Risk ExchangeBoard seat
via Scale Venture Partners · filed Dec 2019 · $40M raise
Threat StackBoard seat
via Scale Venture Partners · filed Sep 2017 · $37.5M raise
CloudHealth TechnologiesBoard seat
via Scale Venture Partners · filed Jun 2017 · $46M raise
Agari DataBoard seat
via Scale Venture Partners · filed Jan 2016 · $4M raise
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at Scale Venture Partners
Network8
Investors connected to Ariel in public investor directories — a warm-intro map.






