# Dimitri Sirota

> Dimitri Sirota is a seed investor at BigID (New York) backing Software and Artificial Intelligence. See 6 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [BigID](https://shizune.co/investors/profile/bigid)
- Location: New York, United States
- Total investments: 6
- Last investment: Oct 2024
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/dimitrisirota/
- X (Twitter): https://twitter.com/dimitrisirota
- Website: https://www.bigid.io
- Facebook: https://www.facebook.com/dimitrisirota

Dimitri Sirota is a seed investor at BigID 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.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 4 | 67% |
| Artificial Intelligence | 3 | 50% |
| Cyber Security | 2 | 33% |
| Machine Learning | 2 | 33% |
| SaaS | 1 | 17% |

16 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 4 | 67% |
| Series A | 2 | 33% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 5 | 83% |
| France | 1 | 17% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Prime Security | Identify, prioritize, and mitigate security on risk before development starts. | $6M | Seed | Oct 09, 2024 |  |
| Zuplo | Programmable API management for developers. Simpler, better alternative to Apigee and Kong | $9M | Seed | Nov 08, 2023 |  |
| Kivera | 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 | 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 |  |
| Subskribe | 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 | 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 |  |

6 of 6 investments shown.

## Co-investors
- [boldstart ventures](https://shizune.co/investors/profile/boldstart-ventures) — VC Fund, 3 deals together
- [Serena](https://shizune.co/investors/profile/serena-capital) — VC Fund, 2 deals together
- [Trilogy Equity Partners](https://shizune.co/investors/profile/trilogy-equity-partnership) — VC Fund, 2 deals together
- [Acrew Capital](https://shizune.co/investors/profile/acrew-capital) — VC Fund, 1 deal together
- [Artiman Ventures](https://shizune.co/investors/profile/artiman-ventures) — VC Fund, 1 deal together
- [Aviso Ventures](https://shizune.co/investors/profile/aviso-ventures) — VC Fund, 1 deal together

## About BigID

VC Fund · New York, United States

BigID develops software that helps companies have secure customer data and satisfy privacy regulations. It uses advanced machine learning and identity intelligence to help enterprises better protect their customer and employee data at a petabyte-scale. The company helps organizations manage and protect their customer data, meet data privacy andprotection regulations like the CCPA and GDPR, and leverage unmatched coverage for all data across all data stores.BigID aims to give enterprises the software to safeguard and steward the customer data, by bringing data science to data privacy.BigID has offices in the US and Israel and is founded in 2016 by security industry veterans spanning the identity, data security, big data, and governance markets.

5 contacts available at BigID.

| Name | Title | Profile |
| --- | --- | --- |
| Dimitri Sirota | CEO and Co-founder | https://shizune.co/investors/profile/dimitri-sirota |
| Alex Ferrara | Board Member | https://shizune.co/investors/profile/alex-ferrara |
| Eyal Sacharov | VP Research and Chief Architect | https://shizune.co/investors/profile/eyal-sacharov |
| James Hsieh | Director, Client Support | https://shizune.co/investors/profile/james-hsieh |
| Nimrod Vax | Co-Founder & CPO | https://shizune.co/investors/profile/nimrod-vax |

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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.

### 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 Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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