James Tamplin
Partner @ HF0 Residency
San Francisco, United States
James Tamplin is a seed investor at HF0 Residency in San Francisco focused on Artificial Intelligence and Software. James Tamplin is based out of San Francisco, California. James previously worked at Firebase as a co-founder. James Tamplin attended the University of Wisconsin-Madison.
- Total investments:
- 17
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries James Tamplin invests in
Stages James Tamplin invests in
Countries James Tamplin invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $50k–$33M
- Pre-Seed
- $2.2M–$7.3M
- Series A
- $7.5M–$50M
Investment Focus
Industry
- Artificial Intelligence 5 (29%)
- Software 4 (24%)
- Information Technology 4 (24%)
- Logistics 3 (18%)
- Blockchain 3 (18%)
Stage
- Seed 6 (35%)
- Series A 6 (35%)
- Pre-Seed 4 (24%)
Country
- United States 12 (71%)
- India 1 (6%)
- Honduras 1 (6%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Alien develops decentralized digital identity infrastructure focused on privacy-preserving proof of humanity and trust online. It builds a blockchain-based human network that uses biometric verification, cryptographic proofs, and decentralized protocols to authenticate unique humans and AI agents. The platform enables human verification, access tohuman-only spaces, and accountable AI systems. | $7.1M / Pre-Seed / Apr 01, 2026 | ||
| Own your freedom. | $7.3M / Pre-Seed / Feb 10, 2025 | ||
| Blue is an AI-powered EHR purpose-built for healthspan/longevity practices that gives doctors superhuman abilities, synced seamlessly with a personal health superapp for me and you.Imagine a healthcare system that actually takes care of your health *in advance* rather than fumbling to pick up the pieces after things go wrong.We'repassionate about a future in which far more diseases are prevented than treated, and it's effortless to improve your day-to-day quality of life, in both well-being and performance.Science >> Snake Oil | Pre-Seed / Jul 04, 2024 | ||
| Proof of Play creates games that are defining for a generation because they essentially give players control and ownership. The company was founded in 2022 and is based in New York, New York, USA. | $33M / Seed / Sep 21, 2023 | ||
| Superblocks provides a platform for building internal enterprise applications, enabling development teams to create tools, workflows, and scheduled jobs using a combination of visual components and code. The platform includes a drag-and-drop UI editor, a component library, and integration with databases and APIs to streamline development processes.Superblocks allows users to automate business logic through scheduled tasks and workflow execution. The service supports secure access management, audit logging, and version control to align with enterprise security and compliance requirements. It also offers extensibility through custom code, giving teams flexibility in application behavior and design. Superblocks is designed to simplify the development and maintenance of internal tools used across business functions. | $37M / Series A / Aug 11, 2022 | ||
| Shortwave is reinventing what's possible with email, starting with an inbox that helps them work smarter and faster. They are building Shortwave to tip the scales back towards email and federation. They create a high-quality product experience that beats centralized messaging apps at their own game. Their team previously built products atfirebase and Google used by millions, and they're backed by world-class investors including union square ventures and lightspeed venture partners. | $9M / Series A / Feb 15, 2022 | ||
| Aside is the company that builds cloud-based platforms. Daffy Charitable is its first not-for-profit community platform. | $17.1M / Series A / Feb 08, 2022 | ||
| FastAF Technologies is a commerce retailer that delivers essential products. | $50M / Series A / Dec 08, 2021 | ||
| Darkstore is on a mission to make all of the world’s products accessible all over the world. | $50M / Series A / Dec 07, 2021 | ||
| Roboflow's developer tools enable teams to build computer vision models faster and more accurately.We replace ad-hoc code with production infrastructure, enable versioned datasets to be used in any framework, eliminate common errors that reduce model performance. | $2.1M / Seed / Jan 12, 2021 | ||
| See all 17 investments → | |||
Co-Investors
About HF0 Residency
HF0 Residency, an elite accelerator program for AI-focused startups.
HF0 Residency Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Dave Fontenot
Founder
|
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FAQ
What does James Tamplin invest in?
James Tamplin invests primarily in Artificial Intelligence, Software and Information Technology startups, most often at Seed and Series A stage. Most of the 17 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 James Tamplin's check size?
James Tamplin typically joins rounds of $50k–$33M at Seed, $2.2M–$7.3M at Pre-Seed and $7.5M–$50M 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 James Tamplin participates in.
How do I contact James Tamplin?
Public channels for James Tamplin 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 James Tamplin last invest?
The most recent investment recorded for James Tamplin closed in Apr 2026. Shizune tracks 17 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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