# Julien Boyer

> Julien Boyer is a seed investor in Paris backing Apps, SaaS and Automotive. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Location: Paris, France
- Total investments: 2
- Last investment: Jul 2025
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/julien-boyer-53957813/

Julien Boyer is a seed investor in Paris focused on Apps and SaaS. Julien Boyer

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $176k–$1.7M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Apps | 1 | 50% |
| SaaS | 1 | 50% |
| Automotive | 1 | 50% |
| Generative AI | 1 | 50% |
| Cloud Computing | 1 | 50% |

10 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Stern Tech | We created a revolutionary SaaS platform for human behavior analysis. We use AI and cognitive sciences to interpret human behavior in real time. Use cases: Automotive, Health, Marketing, Training, Politics. See our partnership with Renault and STMicroelectronics : https://stern.consulting/sterntech-h1stvision.mp4 | $175.9K | Seed | Jul 31, 2025 |  |
| Stern Tech | We created a revolutionary SaaS platform for human behavior analysis. We use AI and cognitive sciences to interpret human behavior in real time. Use cases: Automotive, Health, Marketing, Training, Politics. See our partnership with Renault and STMicroelectronics : https://stern.consulting/sterntech-h1stvision.mp4 | $1.7M | Seed | Feb 01, 2024 |  |

2 of 2 investments shown.

## Co-investors
- [Expaceo](https://shizune.co/investors/profile/exapceo) — VC Fund, 2 deals together
- [Trebeyou](https://shizune.co/investors/profile/trebeyou) — VC Fund, 2 deals together
- [AAPS AVOCATS](https://shizune.co/investors/profile/aaps-b164) — VC Fund, 1 deal together
- [Bpifrance](https://shizune.co/investors/profile/bpifrance) — VC Fund, 1 deal together
- [Google](https://shizune.co/investors/profile/google) — VC Fund, 1 deal together
- [Google for Startups](https://shizune.co/investors/profile/google-for-entrepreneurs) — VC Fund, 1 deal together

## Similar investors

### Similar industry
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- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
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### Similar country
- [Bpifrance](https://shizune.co/investors/profile/bpifrance) — VC Fund
- [Kima Ventures](https://shizune.co/investors/profile/kima-ventures) — VC Fund
- [Motier Ventures](https://shizune.co/investors/profile/motier-ventures) — VC Fund

## Featured in investor lists
- [Automotive Angel Investors in France](https://shizune.co/investors/automotive-angel-investors-france)
- [Automotive Investors in France](https://shizune.co/investors/automotive-investors-france)
- [Automotive Angel Investors in Europe](https://shizune.co/investors/automotive-angel-investors-europe)

## FAQ

### What does Julien Boyer invest in?

Julien Boyer invests primarily in Apps, SaaS and Automotive startups, most often at Seed stage. Most of the 2 investments tracked by Shizune back companies in France. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Julien Boyer's check size?

Julien Boyer typically joins rounds of $176k–$1.7M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Julien Boyer participates in.

### When did Julien Boyer last invest?

The most recent investment recorded for Julien Boyer closed in Jul 2025. Shizune tracks 2 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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