# Marc Bitzer

> Marc Bitzer is a seed investor backing B2B and Artificial Intelligence. See 2 investments, check sizes, portfolio and contact details. Updated Oct 2026.

- Type: Angel Investor
- Total investments: 2
- Last investment: Sep 2026
- Lead investor: 0%
- Last updated: Oct 2026

Marc Bitzer is a seed investor focused on B2B and Artificial Intelligence.

## Contacts

5 contacts available for Marc Bitzer: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/marc-bitzer?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $15M–$15M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| B2B | 2 | 100% |
| Artificial Intelligence | 2 | 100% |
| SaaS | 1 | 50% |
| Software | 1 | 50% |
| Manufacturing | 1 | 50% |

11 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| atira | atira develops industry-specific AI agents for sales engineering and quoting in complex manufacturing. Its AI Sales Engineering Agent platform supports the sales engineering lifecycle by helping teams handle technical and commercial quoting activities. The company provides the software to manufacturing organizations that manage complex products andcustomer requirements. | $15M | Seed | Sep 03, 2026 | https://atira.ai |
| telli | Telli builds AI voice agents to automate pre-sales outreach for B2C companies, converting leads into sales opportunities. | $15M | Seed | Jul 23, 2026 | https://telli.com/en/ |

2 of 2 investments shown.

## Co-investors
- [Accel](https://shizune.co/investors/profile/accel) — VC Fund, 1 deal together
- [Cherry Ventures](https://shizune.co/investors/profile/cherry-ventures) — VC Fund, 1 deal together
- [Mutschler Ventures AG](https://shizune.co/investors/profile/mutschler-ventures-ag) — VC Fund, 1 deal together
- [redalpine](https://shizune.co/investors/profile/redalpine-venture-partners) — VC Fund, 1 deal together
- [Y Combinator](https://shizune.co/investors/profile/y-combinator) — VC Fund, 1 deal together

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## Featured in investor lists
- [B2B Angel Investors in Germany](https://shizune.co/investors/b2b-angel-investors-germany)

## FAQ

### What does Marc Bitzer invest in?

Marc Bitzer invests primarily in B2B, Artificial Intelligence and SaaS startups, most often at Seed stage. Most of the 2 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Marc Bitzer's check size?

Marc Bitzer typically joins rounds of $15M–$15M 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 Marc Bitzer participates in.

### How do I contact Marc Bitzer?

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 Marc Bitzer last invest?

The most recent investment recorded for Marc Bitzer closed in Sep 2026. 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 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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