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72nd percentile
92nd percentile
Mercari co-founder turned GP at Nations Ventures backing cross-border startups
Credibility
Portfolio Scale · 86th percentile
- Portfolio company Mercari (co-founded by Ryo) is a unicorn and publicly listed company, representing a significant portfolio outcome.
- Publicly identified as an angel investor across multiple sources, including his own LinkedIn and TechCrunch coverage.
- CBInsights records 10 investments by Ryo Ishizuka, including Sagri, Flyp, Queenly, FiNANCiE, and others.
Relationship Matrix
Founder score
- 95%Probability of being accurate (95%)mercari.com ranks #4,902 on the Majestic Million (global domain prominence).
- 95%Probability of being accurate (95%)Past co-founder and US CEO of Mercari, Inc.
- 90%Probability of being accurate (90%)Mercari had co-founders, confirming a co-founded company.
- 75%Probability of being accurate (75%)GitHub account @ryonations identified as Ryo Ishizuka's account.
Investor score
- 92%Probability of being accurate (92%)Publicly identified as an angel investor across multiple sources, including his own LinkedIn and TechCrunch coverage.
- 88%Probability of being accurate (88%)CBInsights records 10 investments by Ryo Ishizuka, including Sagri, Flyp, Queenly, FiNANCiE, and others.
- 85%Probability of being accurate (85%)Portfolio company Mercari (co-founded by Ryo) is a unicorn and publicly listed company, representing a significant portfolio outcome.
- 80%Probability of being accurate (80%)Active GP and fund manager at Nations Ventures, a venture capital firm he founded in 2020 based in Nashville.
- 78%Probability of being accurate (78%)Partner / Principal at Nations Ventures, a recognized VC firm with a public deal record and website.
- 72%Probability of being accurate (72%)Has approximately 6 years of investing experience, starting from the founding of Nations Ventures in 2020 and angel activity from at least 2019.
What you likely need
You're at a pivotal inflection point where your Mercari co-founder credibility and early-stage portfolio need to be formalized into a real fund with LP backing and a public thesis. The highest-leverage Festival events for you are intimate dinners and roundtables that connect you with institutional LPs, Japan-US cross-border co-investors, and marketplace founders who validate your niche — turning your historical founder signal into active deal flow. You'd also benefit from positioning-focused gatherings where you can workshop your Nations Ventures thesis publicly alongside other operator-turned-investors making the same transition.
Would you attend these IRL Festival events?
We will tune and customize your Founder Festival experience to make sure you get invited to the events that would be most valuable to you.
- fundraisingA dinner for operator-angels formalizing their first institutional fund vehicles, focused on LP sourcing strategy, SPV-to-fund transitions, and connecting Ryo with LPs already backing Japan-US focused emerging managers like WiL and Headline Asia
- introsA closed roundtable with GPs from WiL, Genesia Ventures, and Globis Capital to formalize co-investment and deal-sharing protocols across the Japan-US startup corridor where Mercari's brand still opens doors
- introsA Mercari alumni founder dinner surfacing ex-Mercari operators who are now building or fundraising, giving Nations Ventures first-look access to a warm pipeline of marketplace and commerce founders with shared DNA
- introsA Techstars alumni seed-stage office hours session where Ryo runs structured 20-minute slots with portfolio companies actively raising, converting his mentor role into a formal Nations Ventures deal-sourcing pipeline
- positioningA working session for operator-turned-investors — including marketplace and commerce-focused angels like those who backed Flyp and Queenly — to workshop and pressure-test public investment theses before publishing them on fund websites and Substack
- positioningA marketplace and recommerce investor dinner with founders and angels active in the Flyp, Queenly, and Whatnot orbit to sharpen Nations Ventures' public niche around resale and peer-to-peer commerce before Ryo publishes his thesis
- fundraisingA happy hour connecting sub-$50M emerging fund managers with family offices and institutional LPs actively building exposure to Japan-US cross-border deal flow, timed around Nations Ventures' fund formation process
- tacticalA small founder dinner with 6-8 repeat founders and marketplace engineers exploring new company ideas in AI-native commerce and peer-to-peer platforms, where Ryo's Mercari engineering and marketplace expertise gives him a genuine unfair advantage as a potential co-founder