Siu Rui Quek
Angel Investor
Singapore, Singapore
Siu Rui Quek is a seed investor in Singapore focused on Health Care and Education. Siu Rui Quek is the Co-founder and CEO of Carousell. Siu Rui previously worked at VSee as a Collaboration Evangelist. Siu Rui Quek attended the National University of Singapore. Siu Rui Quek has received the Asia's Most Influential Award, Outstanding Young Alumni Award, and Eminent Business Alumni Award.
- Total investments:
- 14
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Siu Rui Quek invests in
Stages Siu Rui Quek invests in
Countries Siu Rui Quek invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $743k–$7.6M
- Pre-Seed
- $260k–$1.3M
Investment Focus
Industry
- Health Care 4 (29%)
- Education 3 (21%)
- Information Technology 3 (21%)
- Artificial Intelligence 3 (21%)
- SaaS 2 (14%)
Stage
- Seed 8 (57%)
- Pre-Seed 4 (29%)
- Series A 1 (7%)
- Private Equity 1 (7%)
Country
- Singapore 11 (79%)
- Indonesia 1 (7%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Yolk.fm is a social platform that allows users to chat rather than send text messages. | $1.3M / Pre-Seed / Feb 29, 2024 | ||
| Circular is delightful subscription e-commerce, with sustainability at its heart. By focusing on customer experience while reducing waste and underutilization, we provide subscriptions to premium devices at affordable prices and with unmatched flexibility. Our mission is simple: to make subscribing to devices superior to owning them in every way,and thereby to accelerate the transition to a waste-free circular economy.At Circular, being a great place to work is anything but an afterthought. We are serious about crafting a place where adults work and learn together and every day is filled with meaning, collaboration, joy, and (most of all) impact. | $7.6M / Seed / Oct 08, 2023 | ||
| Career Transparency for the Tech Community (think Glassdoor for Tech Talents)NodeFlair's vision is to be a career recommendation engine for the 25M tech talents globally. We aim to help companies hire the best tech talents with our recruitment products and services.Today, >20% of Tech talents in Singapore make better career decisionsusing our verified career data. We are best known for our payslip-verified salary data. | $2M / Series A / Jul 06, 2023 | ||
| Mito Health is an AI-powered medical healthtech that provides technological advances to revolutionize the future of personalized preventative care. | $1.3M / Pre-Seed / Apr 18, 2023 | ||
| Jackett is a SaaS to help K-12 schools automate school test creation and grading through artificial intelligence. This is done through leveraging machine learning models to transform existing educational content into automatically generated tests. Jackett's automation helps teachers work 18 times faster compared to the manual process. | $1M / Seed / Aug 25, 2022 | ||
| Aigis provide full stack comprehensive employee health benefits in one easy-to-manage platform. | $1M / Seed / May 12, 2022 | ||
| Doyobi enables educators to teach science and coding in a fun and interactive way. Its guided courses integrate videos, quizzes, and projects to make teaching easy. Doyobi’s courses are used in programs supported by Google and the Singapore government, as well as by educators from different parts of the world.Doyobi aims to help kids grow intooriginal thinkers and develop a sense of purpose. Its programs are designed to nurture curiosity, creativity, and a growth mindset. Doyobi’s pedagogy is built on helping learners develop attitudes and mindsets they would need to thrive beyond 2030, build coding and science fundamentals aligned to K12 standards, learn to use planning and design thinking to create prototype solutions to the UN Sustainable Development Goals (UN SDGs). | $2.8M / Seed / Oct 20, 2021 | ||
| uWave's mission is to reinvent students' life by providing a platform for students to find and stay connected with friends, know what's going on in their community, and share what matters to them. Students can now meet new friends and discuss a wide range of topics, including relationships, careers, and news, in a secure closedcommunity (with anonymity). uWave users can access exclusive perks and convenient services (i.e., travel, discounts, jobs, etc.). | $260K / Pre-Seed / Oct 04, 2021 | ||
| StratifiCare is a medical company that focuses on the development and manufacturing of in vitro diagnostic medical devices it provides solutions for personalized medicine. StratifiCare features a panel of biomarkers which are able to determine the progress of dengue fever. The company was founded on July 13, 2015, and headquartered in Singapore. | $742.9K / Seed / Sep 07, 2021 | ||
| Skills Union is a global platform that makes it easy for companies to hire and develop world-class tech teams.We work with leading employers and universities to help bridge the global digital skills gap, having placed over 500 tech professionals at leading employers including Google, Netflix, Accenture, EY and Apple. Our unique skills matchingalgorithm helps to accurately map, assess and match individuals to their job roles, providing accurate job matching, as well as personalised learning and development plans to help tech professionals further their careers. | $1.5M / Seed / Jul 07, 2021 | ||
| See all 14 investments → | |||
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FAQ
What does Siu Rui Quek invest in?
Siu Rui Quek invests primarily in Health Care, Education and Information Technology startups, most often at Seed and Pre-Seed stage. Most of the 14 investments tracked by Shizune back companies in Singapore. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Siu Rui Quek's check size?
Siu Rui Quek typically joins rounds of $743k–$7.6M at Seed and $260k–$1.3M at Pre-Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Siu Rui Quek participates in.
How do I contact Siu Rui Quek?
Public channels for Siu Rui Quek 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 Siu Rui Quek last invest?
The most recent investment recorded for Siu Rui Quek closed in Feb 2024. Shizune tracks 14 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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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