Dimitri Sirota
Angel Investor
New York, United States
Dimitri Sirota is a seed investor in New York focused on Software and Artificial Intelligence. Dimitri Sirota is based out of Miami, Florida, and is the CEO and Co-founder of BigID. Dimitri previously worked at CA Technologies as SVP, Strategy for the Security and API Business Units. Dimitri Sirota attended The University of British Columbia.
- Total investments:
- 6
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Dimitri Sirota invests in
Stages Dimitri Sirota invests in
Countries Dimitri Sirota invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
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Investment Focus
Industry
- Software 4 (67%)
- Artificial Intelligence 3 (50%)
- Cyber Security 2 (33%)
- Machine Learning 2 (33%)
- SaaS 1 (17%)
Stage
- Seed 4 (67%)
- Series A 2 (33%)
Country
- United States 5 (83%)
- France 1 (17%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Identify, prioritize, and mitigate security on risk before development starts. | $6M / Seed / Oct 09, 2024 | ||
| Programmable API management for developers. Simpler, better alternative to Apigee and Kong | $9M / Seed / Nov 08, 2023 | ||
| Kivera enforces governance and security policies across cloud deployments, preventing misconfigurations from becoming attack vectors. Its patented technology provides deep visibility into cloud requests and is adaptable to any deployment tool, allowing developers to select the best tool for the job. | $3.5M / Seed / Aug 09, 2023 | ||
| Protect AI develops security solutions designed for machine learning and artificial intelligence systems. The company offers products that support AI scanning, large language model security, and generative AI red teaming within a unified platform. These tools integrate with existing AI and security workflows to help organizations monitor, test, andmanage risks associated with AI models. Protect AI also provides resources to implement MLSecOps practices and align with data security and privacy requirements. Its offerings are used by enterprises aiming to incorporate security throughout the AI lifecycle. | $13.5M / Seed / Dec 15, 2022 | ||
| Transform the quote-to-revenue lifecycle with AI-native subscription management that unifies your entire revenue workflow -- combining quoting, billing and revenue recognition to unlock revenue at scale. Subskribe has been officially acquired by DealHub.io - November 2025. | $13.2M / Series A / Feb 17, 2022 | ||
| Kili Technology enables large companies to transform their raw data into high-quality annotated data, ready for AI-driven projects. | $25M / Series A / Jul 27, 2021 |
Co-Investors
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FAQ
What does Dimitri Sirota invest in?
Dimitri Sirota invests primarily in Software, Artificial Intelligence and Cyber Security startups, most often at Seed and Series A stage. Most of the 6 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Dimitri Sirota?
Public channels for Dimitri Sirota include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Dimitri Sirota last invest?
The most recent investment recorded for Dimitri Sirota closed in Oct 2024. Shizune tracks 6 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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