Mike Chalfen
Founder & Partner @ Chalfen Ventures
London, United Kingdom
Mike Chalfen is a seed investor at Chalfen Ventures in London focused on Software and SaaS. Mike Chalfen is based out of London, England, and is the Founder & Partner of Chalfen Ventures and also Board of Director of SurrealDB. Mike previously worked at Advent Venture Partners as a General Partner. Mike Chalfen attended Harvard University. Mike Chalfen has received the award of The Midas List.
- Total investments:
- 31
- Last investment:
- Lead investor:
- 55%
Last updated:
For AI agents: llms.txt
Industries Mike Chalfen invests in
Stages Mike Chalfen invests in
Countries Mike Chalfen invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $3.2M–$11M
- Series A
- $5M–$29M
Investment Focus
Industry
- Software 10 (32%)
- SaaS 7 (23%)
- Artificial Intelligence 6 (19%)
- E-Commerce 4 (13%)
- Big Data 3 (10%)
Stage
- Seed 12 (39%)
- Series A 10 (32%)
- Series B 1 (3%)
- Series C 1 (3%)
- Series D 1 (3%)
Country
- United Kingdom 11 (35%)
- United States 6 (19%)
- Germany 2 (6%)
- Spain 1 (3%)
- France 1 (3%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Inherent aims to establish the blueprint for AI-native science while investigating the boundaries of scientific inquiry. | $50M / Seed / May 28, 2026 | ||
| Iridius is the compliance-by-design AI platform that enables regulated enterprises to design, build, and operate AI systems that are continuously compliant. In regulated industries, AI isn’t failing because of model capability — it’s failing because it can’t operate within real-world constraints: fragmented systems, complex workflows, and strictregulatory compliance requirements. Instead of treating compliance as a manual process that happens after systems are built, Iridius makes compliance part of how systems run. | $8.6M / Seed / Apr 23, 2026 | ||
| SurrealDB develops a multi-model database platform designed to handle document, graph, and relational data within a single system. The platform supports SQL-like querying while enabling real-time data synchronization and event-driven updates across applications. It provides built-in features such as authentication, authorization, and access controlat the database layer. SurrealDB operates across various environments, including embedded deployments, single-node instances, and distributed clusters. The system is designed to support modern application development by combining flexible data modeling with transactional consistency and programmable logic inside the database. | $23M / Series A / Feb 17, 2026 | ||
| We created Amenitiz because we believe technology is the key to making success and profitability accessible to every hotelier in the world - whether they are in the heart of Paris or in the Uyuni Salt Flats in Bolivia. Our mission is to build an all-in-one platform to help owners grow and manage their vacation properties by making attractingguests, managing bookings and crafting exceptional experiences, simple and easy. We invite you to be part of our growing community and help us redefine the future of online hospitality together. | $45M / Series B / Nov 11, 2025 | ||
| Tracelight is an AI-powered Excel add-in that enhances financial modeling by enabling users to generate formulas from natural language, check for errors, and interact with models using plain English. It helps financial professionals save time, reduce errors, and work more efficiently while maintaining security and data privacy. | $3.6M / Seed / Aug 07, 2025 | ||
| Stackfix operates as a software comparison platform. | $3M / Seed / Dec 03, 2024 | ||
| Polar Analytics allows e-commerce merchants to easily combine all of their marketing data from multiple ad platforms, analytics tools, modern CRM, and sales channels to make the right data-driven decisions in seconds. | $19.1M / Series A / Nov 12, 2024 | ||
| SurrealDB develops a multi-model database platform designed to handle document, graph, and relational data within a single system. The platform supports SQL-like querying while enabling real-time data synchronization and event-driven updates across applications. It provides built-in features such as authentication, authorization, and access controlat the database layer. SurrealDB operates across various environments, including embedded deployments, single-node instances, and distributed clusters. The system is designed to support modern application development by combining flexible data modeling with transactional consistency and programmable logic inside the database. | $15M / Series A / Jun 18, 2024 | ||
| General Index is an energy data and analytics company that develops transparent benchmarks for global commodity markets. The platform generates daily spot prices and forward curves across crude oil, refined products, natural gas, and energy transition markets using extensive transaction data and consistent methodologies. | $12.1M / Series A / Feb 01, 2024 | ||
| Translucent is next-gen accounting software. | $6.4M / Seed / Aug 23, 2023 | ||
| See all 31 investments → | |||
Co-Investors
About Chalfen Ventures
Chalfen Ventures is a venture capital firm. It is based in London, England.
Chalfen Ventures Contacts
| Name | Phone | Socials | |
|---|---|---|---|
|
Mike Chalfen
Founder & Partner
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FAQ
What does Mike Chalfen invest in?
Mike Chalfen invests primarily in Software, SaaS and Artificial Intelligence startups, most often at Seed and Series A stage. Most of the 31 investments tracked by Shizune back companies in United Kingdom. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Mike Chalfen's check size?
Mike Chalfen typically joins rounds of $3.2M–$11M at Seed and $5M–$29M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Mike Chalfen participates in.
How do I contact Mike Chalfen?
Public channels for Mike Chalfen 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 Mike Chalfen last invest?
The most recent investment recorded for Mike Chalfen closed in May 2026. Shizune tracks 31 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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