John Zimmer
Angel Investor
San Francisco Bay Area, United States
John Zimmer is a seed investor in San Francisco Bay Area focused on Mining and FinTech. John Zimmer is based out of San Francisco Bay Area, California and was the Vice Chair of the Board of Directors of Lyft. John Zimmer attended the Cornell University.
- Total investments:
- 4
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries John Zimmer invests in
Stages John Zimmer invests in
Countries John Zimmer invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $5M–$5.7M
- Series B
- $30M–$193M
Investment Focus
Industry
- Mining 1 (25%)
- FinTech 1 (25%)
- Mineral 1 (25%)
- Payments 1 (25%)
- Software 1 (25%)
Stage
- Seed 2 (50%)
- Series B 2 (50%)
Country
- United States 2 (50%)
- Denmark 1 (25%)
- Switzerland 1 (25%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Jabbr allows to capture boxing matches with a virtual video production.Its goal is to make video production and advanced performance analytics in combat sports available to anyone with a smartphone. | $5M / Seed / Oct 16, 2025 | ||
| Using robust prediction algorithms and AI design recommendations, Cradle assists biologists in rapidly designing better proteins. Cradle gives you complete ownership of the intellectual property while maintaining the privacy and security of your sequences and data. | $5.7M / Seed / Nov 16, 2022 | ||
| KoBold Metals is investing in battery materials projects across the globe by combining basic ore-deposit science, big data, and scientific computing with patient private capital.The company's software uses datasets with conventional geochemical, geophysical and geological data in statistical association models to identify prospects to ensure acobalt supply for the electric vehicle revolution, enabling mineral exploration companies to find new sources of cobalt through machine learning and data analysis. | $192.5M / Series B / Feb 10, 2022 | ||
| Deel is a developer of a payroll platform used to re-imagine payouts for businesses working with remote contractors. The platform is used by remote teams that connect localized compliance and automates payments in one system of record, as well as provides contracts and templates to be used for tax forms and localized contracts, automated payment,invoicing and receipts, and customer support. It aims to offer to every company that hires remote talents a one-stop-shop that makes onboarding, global compliance, and payments easier.The company was founded by Alex Bouaziz, Ofer Simon, and Shuo Wang in 2018 and is headquartered in San Francisco, California. | $30M / Series B / Sep 09, 2020 |
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FAQ
What does John Zimmer invest in?
John Zimmer invests primarily in Mining, FinTech and Mineral startups, most often at Seed and Series B stage. Most of the 4 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 John Zimmer's check size?
John Zimmer typically joins rounds of $5M–$5.7M at Seed and $30M–$193M 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 John Zimmer participates in.
How do I contact John Zimmer?
Public channels for John Zimmer 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 John Zimmer last invest?
The most recent investment recorded for John Zimmer closed in Oct 2025. Shizune tracks 4 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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