# J.J. Chai

> J.J. Chai is a seed investor at Rainforest Life backing Mobile Apps and EdTech. See 4 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Rainforest Life](https://shizune.co/investors/profile/rainforest-life)
- Total investments: 4
- Last investment: Oct 2025
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/jjchai

J.J. Chai is a seed investor at Rainforest Life focused on Mobile Apps and EdTech. J.J. Chai is the CEO and co-founder of Rainforest.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $800k–$3.5M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Mobile Apps | 2 | 50% |
| EdTech | 1 | 25% |
| Mobile | 1 | 25% |
| Travel | 1 | 25% |
| Internet | 1 | 25% |

14 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Ottodot | Ottodot provides science and math classes with fun interactive activities and teacher-guided discussions. | $1.7M | Seed | Oct 30, 2025 |  |
| Truely Travel eSIM | Redefining global connectivity one travel eSIM at a time!Truely eSIM aims to be the lightest thing you pack for your travels. Our Travel eSIM gives you access to the best local data rates from wherever you are in the world. No need to SIM switch nor worry about spending on roaming charges ever again. Available in 200+ destinations, we partnerwith the top network providers to ensure smooth and seamless connectivity throughout your trip. Whether you’re a digital nomad in Bali or a honeymooner in Italy—we’ll have a data plan customisable for your type of journey. | $3.5M | Seed | Oct 02, 2024 |  |
| Intellect | Intellect is a modern-day mental health company with a mission to make mental healthcare & wellbeing support accessible for everyone. Today, Intellect is the largest and fastest growing mental health tech company in Asia, and serves over 2 million members and leading organisations globally through our mental health platform. Intellect wasalso selected as one of Google’s Best Apps of 2020. Intellect is backed by leading investors including Insignia Ventures Partners, Y Combinator, and an extensive list of family offices, big tech executives & renowned angel investors. | $2.2M | Seed | Aug 25, 2021 |  |
| Intellect | Intellect is a modern-day mental health company with a mission to make mental healthcare & wellbeing support accessible for everyone. Today, Intellect is the largest and fastest growing mental health tech company in Asia, and serves over 2 million members and leading organisations globally through our mental health platform. Intellect wasalso selected as one of Google’s Best Apps of 2020. Intellect is backed by leading investors including Insignia Ventures Partners, Y Combinator, and an extensive list of family offices, big tech executives & renowned angel investors. | $800K | Seed | Dec 01, 2020 |  |

4 of 4 investments shown.

## Co-investors
- [Insignia Ventures Partners](https://shizune.co/investors/profile/insignia-ventures-partners) — VC Fund, 2 deals together
- [1982 Ventures](https://shizune.co/investors/profile/1982-ventures) — VC Fund, 1 deal together
- [BEENEXT](https://shizune.co/investors/profile/bee-next) — VC Fund, 1 deal together
- [Iterative](https://shizune.co/investors/profile/iterative-capital-e970) — VC Fund, 1 deal together
- [Kopital Ventures](https://shizune.co/investors/profile/kopital-ventures) — VC Fund, 1 deal together
- [XA Network](https://shizune.co/investors/profile/xoogler-angels) — VC Fund, 1 deal together

## About Rainforest Life

VC Fund · Singapore, Singapore

Rainforest buys e-commerce brands and grows them with a focus on long-term success. They believe that being part of Rainforest improves the brands’ longevity, financial returns, and sustainability outcomes.

5 contacts available at Rainforest Life.

| Name | Title | Profile |
| --- | --- | --- |
| Andrew Bradshaw | Acquisition Specialist | https://shizune.co/investors/profile/andrew-bradshaw-2 |
| Christine Ng | VP of Brands | https://shizune.co/investors/profile/christine-ng |
| Jason Tan | CFO and Co-founder | https://shizune.co/investors/profile/jason-tan-a8e7 |
| Jia Chai | CEO & co-founder | https://shizune.co/investors/profile/jj-chai |
| J.J. Chai | CEO & Co-founder | https://shizune.co/investors/profile/j-j-chai |

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## FAQ

### What does J.J. Chai invest in?

J.J. Chai invests primarily in Mobile Apps, EdTech and Mobile startups, most often at Seed stage. Most of the 4 investments tracked by Shizune back companies in Singapore. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is J.J. Chai's check size?

J.J. Chai typically joins rounds of $800k–$3.5M 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 J.J. Chai participates in.

### When did J.J. Chai last invest?

The most recent investment recorded for J.J. Chai 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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