# Bogomil Balkansky

> Bogomil Balkansky is a seed investor at Sequoia Capital backing Software and Enterprise Software. See 67 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Sequoia Capital](https://shizune.co/investors/profile/sequoia-capital)
- Location: San Francisco, United States
- Total investments: 67
- Last investment: Jul 2026
- Lead investor: 39%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/pub/bogomil-balkansky/0/a/a2a
- X (Twitter): http://twitter.com/BogieBalkansky

Bogomil Balkansky is a Partner at Sequoia Capital. He started his career as a management consultant at McKinsey & Company. Bogomil holds a bachelor of arts in Mathematics from Cornell University and an MBA from Stanford Graduate School of Business.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.2M–$5.2M |
| Series A | $15M–$50M |
| Series B | $35M–$120M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 17 | 25% |
| Enterprise Software | 9 | 13% |
| Artificial Intelligence | 9 | 13% |
| SaaS | 7 | 10% |
| Machine Learning | 6 | 9% |

63 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 21 | 31% |
| Series A | 14 | 21% |
| Series B | 6 | 9% |
| Pre-Seed | 4 | 6% |
| Series C | 3 | 4% |

9 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 26 | 39% |
| Israel | 3 | 4% |
| Bulgaria | 2 | 3% |
| United Kingdom | 2 | 3% |
| Norway | 1 | 1% |

7 countries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Zafran Security | Zafran Security is a cybersecurity startup specializing in vulnerability prioritization and threat exposure management, aiming to identify, remediate, and mitigate risks within organizations. The AI-native exposure management platform developed by the company aims to proactively avert the exploitation of vulnerabilities by incorporating autonomousagents throughout all stages of the vulnerability management lifecycle. With threat actors rapidly exploiting newly revealed security vulnerabilities through AI automation, Zafran's platform enables organizations to take action before these vulnerabilities result in incidents. The company’s solutions work alongside current security tools, utilizing AI agents to pinpoint weaknesses, provide contextual information, and address these issues by linking them to controls and evaluating the potential for exploitation. |  | Venture - Series Unknown | Jul 22, 2026 |  |
| Sandstone | Sandstone is the platform for AI-native legal departments. Sandstone is built by a team of lawyers, legal operations, and tech experts who understand that efficiency is not just about speed, but also about context. | $30M | Series A | Jun 09, 2026 |  |
| Cyera | Cyera provides a data security platform that helps organizations discover, classify, monitor, and protect sensitive data across cloud, SaaS, on-premises, and hybrid environments. The platform combines data security posture management, data loss prevention, access governance, and AI security capabilities to help organizations understand wherecritical data resides, who can access it, and how it is being used. Cyera uses automated data discovery and classification to identify sensitive information and assess potential security risks across enterprise systems. Its platform also supports monitoring of human and AI interactions with data, enabling organizations to investigate access activity, manage permissions, and address security issues. Through integrations with existing technology environments, Cyera helps security teams maintain visibility into data assets and implement controls to reduce data-related risk. | $600M | Series G | Jun 02, 2026 |  |
| Oasis Security | Oasis Security is the top provider of Non-Human Identity Management (NHIM) solutions. NHI Management is a major and unresolved security flaw that malevolent cyber attackers regularly exploit. | $120M | Series B | Mar 19, 2026 |  |
| Scanner.dev | Scanner is a SIEM companion that enables teams to augment tools like Splunk, Datadog, Sumo Logic, and Elastic for high volume log data, saving up to 90% per log source. After directly indexing your data, teams can find IP addresses and other IOCs in petabytes of logs in seconds.Teams can also leverage features like dashboards, detections-as-code,threat intelligence, and an API to connect with Scanner for Splunk, Grafana, SOARs like Tines or Torq, our library of Jupyter Notebooks for advanced threat hunting, Slack, Jira, or anything else with a custom webhook. | $22M | Series A | Mar 10, 2026 |  |
| Temporal Technologies | Temporal Technologies is a computer software company that enables its users to build and operate resilient applications using developer-friendly primitives. It specializes in the fields of information technology, software development, and computer software. It was founded in 2019 and headquartered in Bellevue, Washington. | $300M | Series D | Feb 17, 2026 |  |
| Sandstone | Sandstone is the platform for AI-native legal departments. Sandstone is built by a team of lawyers, legal operations, and tech experts who understand that efficiency is not just about speed, but also about context. | $39.6M | Seed | Jan 13, 2026 |  |
| Infracost | Infracost creates cloud cost estimates for infrastructure as code in pull requests, so developers know how much their cloud resources will cost before launching them, creating a cost-aware engineering organization. | $18.8M | Series A | Nov 18, 2025 |  |
| Traversal | Traversal is building the AI SRE for the enterprise. |  | Seed | Jun 20, 2025 |  |
| Traversal | Traversal is building the AI SRE for the enterprise. | $48M | Series A | Jun 18, 2025 |  |

10 of 67 investments shown.

## Co-investors
- [Cyberstarts](https://shizune.co/investors/profile/cyberstarts) — VC Fund, 12 deals together
- [Y Combinator](https://shizune.co/investors/profile/y-combinator) — VC Fund, 12 deals together
- [IVP](https://shizune.co/investors/profile/institutional-venture-partners) — VC Fund, 11 deals together
- [Amplify Partners](https://shizune.co/investors/profile/amplify-partners) — VC Fund, 9 deals together
- [Lightspeed Venture Partners](https://shizune.co/investors/profile/lightspeed-venture-partners) — VC Fund, 9 deals together
- [Index Ventures](https://shizune.co/investors/profile/index-ventures) — VC Fund, 7 deals together

## About Sequoia Capital

VC Fund · Menlo Park, United States

Sequoia is a venture capital focused on energy, financial, enterprise, healthcare, internet, and mobile startups. The firm helps a small number of daring founders build legendary companies. It spurs them to push the boundaries of what’s possible.The firm seeks to invest in all sectors with a focus on energy, financials and financial services,healthcare and healthcare services, Internet, mobile, outsourcing, and technology.

5 contacts available at Sequoia Capital.

| Name | Title | Profile |
| --- | --- | --- |
| Anas Biad | Partner | https://shizune.co/investors/profile/anas-biad |
| Andrew Lee | Vice President | https://shizune.co/investors/profile/andrew-lee |
| Carl Eschenbach | Partner | https://shizune.co/investors/profile/carl-eschenbach |
| Caroline Fu | Vice President | https://shizune.co/investors/profile/caroline-fu |
| Donald Valentine | Founder | https://shizune.co/investors/profile/don-valentine |

## Similar investors

### Similar industry
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

### Similar country
- [Eleven Ventures](https://shizune.co/investors/profile/eleven) — VC Fund
- [LAUNCHub Ventures](https://shizune.co/investors/profile/launchub) — VC Fund
- [New Vision 3](https://shizune.co/investors/profile/new-vision-3) — VC Fund

## Featured in investor lists
- [Artificial intelligence Angel Investors](https://shizune.co/investors/artificial-intelligence-angel-investors)
- [Artificial intelligence Angel Investors in United States](https://shizune.co/investors/artificial-intelligence-angel-investors-united-states)
- [Enterprise Software Angel Investors](https://shizune.co/investors/enterprise-software-angel-investors)
- [B2B Angel Investors in United States](https://shizune.co/investors/b2b-angel-investors-united-states)
- [B2B Angel Investors](https://shizune.co/investors/b2b-angel-investors)
- [All Investors in Bulgaria](https://shizune.co/investors/investors-bulgaria)

## FAQ

### What does Bogomil Balkansky invest in?

Bogomil Balkansky invests primarily in Software, Enterprise Software and Artificial Intelligence startups, most often at Seed and Series A stage. Most of the 67 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Bogomil Balkansky's check size?

Bogomil Balkansky typically joins rounds of $1.2M–$5.2M at Seed, $15M–$50M at Series A and $35M–$120M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Bogomil Balkansky participates in.

### When did Bogomil Balkansky last invest?

The most recent investment recorded for Bogomil Balkansky closed in Jul 2026. Shizune tracks 67 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.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co