Tim Sae Koo 🦉

1st time father & 2nd time founder building ‘Bitcoin Family Technology’ apps for parents preparing their children for a Bitcoin Standard

📍 Costa Rica🔄 Updated September 2026💼 18 investments📅 7 years investing🗓 Last invested Mar 2023
VC🌍 Costa Rica
18
Total investments
4
Early stage
6
Mid stage
3
Late stage
7y
Years active

Portfolio

18 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Investor (Series B)
Mar 2023
Prime Roots is celebrating the culture of meat by reimagining protein itself. Join our team & build a better food system from and for the planet.
Angel Investor (Seed)
Feb 2022
Hemster protects your unsellable inventory from landfill. Our Revive Platform makes tech-enabled refurbishment, transparent environmental impact metrics, and unit-level QR codes accessible at scale.
late stageRetail
Angel Investor (Pre-Seed)
Oct 2021
Covalent (https://covalent.live) is a platform that drives engagement and growth for communities, events, and cohort-based courses through member matching & introductions. We make curated matches between members based on relevance (background, industry, topics of interest, etc.) and create personalized introductions at scale (they look like they are sent from the community builder, not a bot). Every month, we make thousands of introductions, creating meaningful connections for amazing people from around the globe. Our customers include founder/startup communities, VC Portfolio/Platforms, freelancer networks, courses, and more. We are working together to support our customers new member onboarding, monthly community-wide matching (1:1s, small groups, masterminds, cohorts), mentorship, and event networking. Learn more at https://covalent.live
Angel Investor (Seed)
May 2021
Honeycomb is the easiest way to save your childs story - its like a quick-easy-automagical baby book. Built by parents, for parents.
LP Investor (Fund III)
May 2021
Weekend Fund is an early-stage fund with Ryan Hoover (founder of Product Hunt) and Vedika Jain. Were investors in Alt, Atlys, Cytronic, Deel, Extropic, Function Health, Intercom, InVideo, Mindbloom, MoonPay, Outset, Rail, Truemed, Voiceflow, and many more.
Angel Investor (Seed)
May 2021
Mighty Health is the first all-in-one exercise, nutrition, and chronic health program designed for adults 50+. Mighty partners with leading Medicare Advantage and commercial plans to cover over 9 million lives nationwide.
Investor (Series A)
May 2021
TRIPP is an award-winning digital wellness company developing transformative, immersive experiences that support relaxation, focus and productivity.  In a nutshell, TRIPP is Fitness for Your Inner Self.
Investor (Series B)
May 2021
Beckley Psytech is now AtaiBeckley, a global leader in transformative mental health therapies, following the successful strategic combination with atai Life Sciences. To stay up to date with all the latest news, please follow @AtaiBeckley and visit our website at www.ataibeckley.com.
Investor (Series B)
Apr 2021
Persona helps businesses manage KYC/AML/KYB programs, fight fraud, and build trust by automating any identity-related use case with our flexible identity infrastructure. For example, we help Coursera verify learners’ identities before delivering course credentials and Brex comply with strict international KYC/AML regulations. Beyond securely collecting and verifying user information such as PII, government IDs, and selfies, our platform also provides flexible case review and orchestration tools to help businesses streamline and automate all their identity operations — from setting custom rules to ingesting third-party data and triggering external actions. In short, Persona handles the complexities of securely collecting, verifying, and managing sensitive personal information, so you can stay focused on building your product.
Investor (Series A)
Mar 2021
Doorstead, founded by a team from Uber and Y Combinator, is leveraging big data and operations technology to disrupt the $50B+ property management industry. Doorstead is pioneering a new class of risk-free guarantee rent payments to owners, regardless of occupancy (e.g. $3,400/mo starting in 28 days).
early stageReal Estate
Angel Investor (Pre-Seed | Seed)
Mar 2021
Transcribe and translate real-time video calls across English, Spanish, and Portuguese. Viva Translate is a venture-backed, workplace-specific multilingual audio transcription and translation product. Enjoy seamless video conferences with stakeholders across languages, with meeting notes perfectly transcribed, translated, and summarized.
Angel Investor (Seed) | Advisor
Mar 2021
Unlock paywalled articles with one click.
Investor (Series A)
Feb 2021
Burgers, fries, salads, shakes, and other tasty treats made entirely without the use of animal products, GMOs, artificial ingredients or other weird stuff.
late stageRestaurants
Angel Investor | Advisor
Jan 2021
Akia builds AI agents for hospitality — a system of actions that handles guest communication, drives direct bookings, manages upsells, and operates the full guest lifecycle. Trusted by 3,000+ hospitality operators.
Angel Investor (Seed) | Advisor
Nov 2020
By combining the meat of certified organic young coconuts with potent superfoods, adaptogenic herbs, and just a hint of low glycemic coconut sugar, weve achieved a rich, creamy gelato packed with plant-based nutrition. All flavors are strictly free of refined sugars, gums, gluten, dairy, corn, soy, GMOs, preservatives and anything artificial.
Show all 18 investments ↓
Experience · 24 entries
All (24)
Investments (18)
Founder (5)
2026
Co-Founder
Jan 2026
A company building Bitcoin Family Technology apps for parents to help prepare their children and next generation for a Bitcoin standard. Led by Bitcoin parents, for Bitcoin parents.
2025
Co-Founder & CEO (Ethics)
Jan 2025
The missing layer in psychedelics isn’t greater intensity; it’s greater intelligence. With adaptive guidance, grounded reflections, and personalized integration, SAIVA helps make your microdosing more meaningful.
2023
Investor (Series B)
Mar 2023
Prime Roots is celebrating the culture of meat by reimagining protein itself. Join our team & build a better food system from and for the planet.
2022
Retreat Facilitator & Partnerships Manager
May 2022
Reunion is a not-for-profit provider of transformative plant medicine experiences in conjunction with wisdom keepers and medicine carriers from Central and South America. Located on a beautiful beachfront near one of the world’s Blue Zones in Guanacaste, Costa Rica, Reunion ensures guests are carefully supported as they open their hearts and ignite their lives in an authentic, safe, and natural setting. Reunion is a place to experience profound personal growth without commodifying the journeys of our guests. Our not-for-profit organizational model is rooted in reciprocity. Our initiatives include support for Indigenous medicine stewards, the LGBTQIA+ community, the replenishment of sacred plants for future generations, and scholarship programs to expand access to those with financial needs.
Angel Investor (Seed)
Feb 2022
Hemster protects your unsellable inventory from landfill. Our Revive Platform makes tech-enabled refurbishment, transparent environmental impact metrics, and unit-level QR codes accessible at scale.
late stageRetail
Show all 24 entries ↓
Investment activity
2019–2023 · 18 investments
20191202032021122022120231
Recent (last 2 years)Earlier