# Marcos Tanaka Pereira Oliveira > Marcos Tanaka Pereira Oliveira is a seed investor at Tupinamba backing Marketing and Internet. See 4 investments, check sizes, portfolio. Updated Aug 2026. - Type: Angel Investor - Fund: [Tupinamba](https://shizune.co/investors/profile/tupinamba) - Location: Rio De Janeiro, Brazil - Total investments: 4 - Last investment: Jan 2023 - Lead investor: 0% - Last updated: Aug 2026 - LinkedIn: https://www.linkedin.com/in/marcostanaka - Website: http://embauba.site Marcos Tanaka Pereira Oliveira is a seed investor at Tupinamba in Rio De Janeiro focused on Marketing and Internet. Marcos Tanaka Pereira Oliveira - CSO @ Tupinamba ## Investment focus ### Industry | Industry | Investments | Share | | --- | --- | --- | | Marketing | 2 | 50% | | Internet | 1 | 25% | | Advertising | 1 | 25% | | Social Media | 1 | 25% | | Digital Media | 1 | 25% | 8 industries tracked in total. ### Stage | Stage | Investments | Share | | --- | --- | --- | | Seed | 2 | 50% | | Pre-Seed | 1 | 25% | | Series A | 1 | 25% | ## Investments | Company | Description | Amount | Stage | Date | Website | | --- | --- | --- | --- | --- | --- | | Leadster | Conversational Marketing Platform to Triple your Lead Generation. | $680.9K | Seed | Jan 24, 2023 | | | Tupinamba | Tupinamba develops electric charging solutions. | | Pre-Seed | Sep 01, 2020 | | | boo-box | Boo-box is a media company and recognized as one of the most innovative companies in the world by FastCompany and Forbes. And more than that, it has a successful campaign. From an entrepreneurial startup to a referral network ad network in campaigns, this story has numbers: there are more than 500,000 websites and blogs, 60,000 publishers and22,000 Twitter profiles, which publish content for the most diverse tastes and audiences . And, of course, it all draws a lot of audiences. In our network, more than 1 billion ads are displayed per month for 60 million people - more than half of the national internet. No wonder boo-box has the confidence of many people, always working with the main On and Offline agencies in the market and for small, medium and large advertisers. | | Series A | | | | boo-box | Boo-box is a media company and recognized as one of the most innovative companies in the world by FastCompany and Forbes. And more than that, it has a successful campaign. From an entrepreneurial startup to a referral network ad network in campaigns, this story has numbers: there are more than 500,000 websites and blogs, 60,000 publishers and22,000 Twitter profiles, which publish content for the most diverse tastes and audiences . And, of course, it all draws a lot of audiences. In our network, more than 1 billion ads are displayed per month for 60 million people - more than half of the national internet. No wonder boo-box has the confidence of many people, always working with the main On and Offline agencies in the market and for small, medium and large advertisers. | | Seed | | | 4 of 4 investments shown. ## Co-investors - [Gvangels](https://shizune.co/investors/profile/gvangels) — VC Fund, 1 deal together - [FGV Ventures](https://shizune.co/investors/profile/gventures) — VC Fund, 1 deal together - [Silver Angels](https://shizune.co/investors/profile/silver-angels) — VC Fund, 1 deal together ## About Tupinamba VC Fund · São Paulo, Brazil Tupinamba develops electric charging solutions. 1 contacts available at Tupinamba. | Name | Title | Profile | | --- | --- | --- | | Marcos Tanaka Pereira Oliveira | CSO | https://shizune.co/investors/profile/marcos-tanaka | ## Similar investors ### Similar industry - [Robert DeMaio](https://shizune.co/investors/profile/robert-charles-demaio) — Angel Investor - [SV Angel](https://shizune.co/investors/profile/sv-angel) — VC Fund - [Lightspeed Venture Partners](https://shizune.co/investors/profile/lightspeed-venture-partners) — VC Fund ### Similar stage - [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund - [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund - [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund ### Similar country - [Bossa Invest](https://shizune.co/investors/profile/bossanova-investimentos) — VC Fund - [DOMO.VC](https://shizune.co/investors/profile/domo-invest) — VC Fund - [Canary](https://shizune.co/investors/profile/canary-5) — VC Fund ## Featured in investor lists - [Social Media Investors in LATAM](https://shizune.co/investors/social-media-investors-latam) - [Social Media Investors in Brazil](https://shizune.co/investors/social-media-investors-brazil) - [Social Media Angel Investors in Brazil](https://shizune.co/investors/social-media-angel-investors-brazil) - [Digital Media Investors in Brazil](https://shizune.co/investors/digital-media-investors-brazil) - [Digital Media Angel Investors in Brazil](https://shizune.co/investors/digital-media-angel-investors-brazil) - [Media (entertainment) Angel Investors in Brazil](https://shizune.co/investors/media-entertainment-angel-investors-brazil) ## FAQ ### What does Marcos Tanaka Pereira Oliveira invest in? Marcos Tanaka Pereira Oliveira invests primarily in Marketing, Internet and Advertising startups, most often at Seed and Pre-Seed stage. Most of the 4 investments tracked by Shizune back companies in Brazil. The Investment Focus section breaks down every industry, stage and country in the portfolio. ### When did Marcos Tanaka Pereira Oliveira last invest? The most recent investment recorded for Marcos Tanaka Pereira Oliveira closed in Jan 2023. 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? 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