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COO Internship: Build the Future

新規事業企画・開発
学生インターン
6エントリー

on 2025/10/17

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6人がエントリー中

COO Internship: Build the Future

オンライン面談OK
東京
学生インターン
言語を活かした仕事
東京
学生インターン
言語を活かした仕事

Sei Sato

Sei Sato – Director & COO Sei Sato joined the Incubation Division in 2008 as an intern, where he launched a new business and gained firsthand experience as a student entrepreneur. In 2009, he officially joined tenso Inc. as a new graduate, and in 2012, he founded “Buyee”, a cross-border e-commerce purchasing support service that has since become the core business of the BEENOS Group. Under his leadership, Buyee has grown to become the No.1 cross-border e-commerce service in Japan. He was appointed Director in 2017. Sato focuses on building sustainable services that continuously deliver value to users, as well as teams where every member’s effort directly contributes to the company’s success. In the field of global e-commerce, he has been involved in various business operations. The service he launched, Buyee, has grown to handle approximately 20 billion JPY in annual transaction volume. Throughout his career, he has engaged in a wide range of areas—business development, customer support, warehouse operations, programming, design, legal affairs, and accounting. (As he humbly notes, the quality may not have been perfect in each area, but this broad exposure has given him a deep understanding of the business as a whole.) He enjoys the process of understanding different team perspectives, aligning diverse interests, and developing cross-functional strategies to solve complex problems and achieve ambitious goals.

BEENOSのメンバー

Sei Sato – Director & COO Sei Sato joined the Incubation Division in 2008 as an intern, where he launched a new business and gained firsthand experience as a student entrepreneur. In 2009, he officially joined tenso Inc. as a new graduate, and in 2012, he founded “Buyee”, a cross-border e-commerce...

なにをやっているのか

BEENOS Inc. is a group of entrepreneurs dedicated to creating systems that enrich society by connecting people, goods, and information across the globe. Business Domains: ■ Global Commerce ■ Entertainment ■ Incubation With the purpose of “Expanding the world’s potential through ambition and technology to create the next standard,” BEENOS has been pioneering new markets in five business domains that connect people, goods, and information both from Japan to the world and from the world to Japan. Currently, in collaboration with major domestic and international companies, the group continues to achieve record-high operating profit and revenue. In particular, the cross-border e-commerce business connecting Japan and overseas markets has been growing exponentially year after year. Looking ahead, BEENOS aims to go beyond “goods” — building a platform that connects people and information between Japan and the world, creating borderless opportunities without being limited by domain.
Many of our international members share a love for Japan and a strong desire to bridge their home countries with Japan through their work at BEENOS.
Regardless of age, gender, or nationality, our members actively engage in open discussions about our services and ideas.
There’s also a café-style open space in the office where members can relax and chat freely ☕️
Our meeting rooms are named after cities from around the world — if you ever visit our office, be sure to check them out! 🌍✨

なにをやっているのか

BEENOS Inc. is a group of entrepreneurs dedicated to creating systems that enrich society by connecting people, goods, and information across the globe. Business Domains: ■ Global Commerce ■ Entertainment ■ Incubation With the purpose of “Expanding the world’s potential through ambition and technology to create the next standard,” BEENOS has been pioneering new markets in five business domains that connect people, goods, and information both from Japan to the world and from the world to Japan. Currently, in collaboration with major domestic and international companies, the group continues to achieve record-high operating profit and revenue. In particular, the cross-border e-commerce business connecting Japan and overseas markets has been growing exponentially year after year. Looking ahead, BEENOS aims to go beyond “goods” — building a platform that connects people and information between Japan and the world, creating borderless opportunities without being limited by domain.

なぜやるのか

There’s also a café-style open space in the office where members can relax and chat freely ☕️

Our meeting rooms are named after cities from around the world — if you ever visit our office, be sure to check them out! 🌍✨

Our Name and Mission The name BEENOS comes from the words “BEE” and “NOS” (meaning nest). Just as bees travel from flower to flower to bring new blossoms to life, BEENOS connects people, goods, and information across the world — creating new value and expanding global possibilities. Our stage is the world. We take on social challenges, break existing conventions, and create the Next Standard that transcends borders. Through the power of technology, we aim to connect Japan and the world seamlessly and open up limitless opportunities for the future. 🎥 BEENOS’s PURPOSE video https://www.youtube.com/watch?v=m4u6KSk3bZA

どうやっているのか

Many of our international members share a love for Japan and a strong desire to bridge their home countries with Japan through their work at BEENOS.

Regardless of age, gender, or nationality, our members actively engage in open discussions about our services and ideas.

People & Work Culture at BEENOS ◉ A Culture that Celebrates Challenges At BEENOS, we value the spirit of taking risks. We celebrate not only success but also the act of challenging itself — even if it leads to failure. This warm, encouraging culture empowers every member to step forward with confidence and take on new challenges. ◉ Open Communication and Knowledge Sharing Communication is at the heart of our company. We actively host cross-company study sessions where members share insights and best practices from different divisions. These discussions often spark new ideas and collaboration across teams. ◉ Members with a Strong Business Mindset Regardless of position — whether engineers, marketers, or planners — our members constantly think about what creates the most value. They take ownership, make proposals, and solve problems proactively. Everyone keeps their antennae up to respond to emerging needs and opportunities in the market. 📝 Official Blog https://beenos.com/blog/

こんなことやります

COO-Direct Internship: Build Real Business from the Ground Up This position is a COO-Direct Internship, a rare opportunity to work directly under BEENOS’s COO. You will join a division that launches and scales new businesses, including projects supporting Japanese companies expanding into overseas marketplaces. Unlike typical internships that end with planning, this is a hands-on experience where you will be part of the entire business creation process—from market research, data analysis, and planning to system design, cross-department project management, and external negotiations. This is not a project made for interns, but an opportunity to take part in key internal initiatives with real impact. You’ll directly experience the front lines of global e-commerce and fast-growing international markets, and feel the thrill of building a service from scratch. ⑴Responsibilities ・Research and identify potential overseas marketplaces and corporate partners with strong business potential ・Negotiate and finalize partnership terms and contracts ・Design system requirements for API integration and manage development progress ・Organize new operational processes or improve existing ones to support new partnerships ⑵What You’ll Experience ・Collaborate with rapidly growing marketplaces in China, Southeast Asia, and beyond ・Gain hands-on experience drafting and executing contracts in English or Chinese ・Contribute to the development of systems that deliver services to global users ・Understand both front-end user delivery and back-end operations that sustain global business ⑶Who We’re Looking For ・Students who want to test their own potential in real business ・Those who are passionate about starting and scaling new ventures ・Future entrepreneurs who want to create their own impact *Working hours and shifts are flexible. ⑷Past Internship Achievements ・Negotiated and signed contracts with overseas financial institutions ・Led projects generating over 30 million JPY in annual profit
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    会社情報

    1999/11に設立

    438人のメンバー

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    東京都品川区西五反田8-4-13 五反田JPビルディング7F