Stein Corporation unites experts in fields of Technology, Business, and Design to bring scalable solutions in order to foster global business.

Our Mission

Our team's diversity enables us to bring premium solutions to collaborate with professionals in various areas, and tackle global challenges together.

Our Values

Social Impact
We prioritize projects that possess the capacity to improve the lives of individuals of any age, background and gender.

We ignite change through unique participation. Our client's needs and desires drives us to service success.

We embrace human differences and diversity, one of our key assets that we leverage in all our projects.

Our persistence and demand for the highest quality guarantees future-proof solutions.

Curiosity doesn’t kill the cat. We stimulate meaningful interactions with people, places, and objects, to provide the most vibrant, impactful and long-term results.


The Stein Team


Hikaru Ishikawa, CEO
Born in Sapporo, Japan

Hikaru Ishikawa is the CEO of STEIN. Born in Japan and growing up in Austria, he is passionate about bridging cultural gaps and promoting diversity. He leads the company’s vision, strategy, and growth. Prior to STEIN, he has worked for Japanese MP Mr. Shigeru Ishiba, MP Mr. Nobuo Kishi, Morgan Stanley, and INPEX Corporation. He holds a BA in Political Science from Waseda University.

石川 光



Jeweliann Houlette, Director, Community Engagement
Born in Tokyo, Japan

Jeweliann Houlette joined STEIN after working at an all-women social enterprise in Northeastern Japan. She holds an A.B in English and a minor in East Asian Studies from Harvard University and is committed to precise and effective cross-cultural communication.




Satoshi Eguchi, Director, Business Development
Born in Fukushima, Japan

Before joining STEIN in 2018, Satoshi Eguchi served as manager and sommelier at a fine dining restaurant, wine bar, and specialty coffee store in Tokyo. He has detailed knowledge and interest in the regional cuisines of Japan, as well as of the world and is a certified sommelier (Japan Sommelier Association).

江口 哲史



Boram Sim, Senior Consultant, Corporate Startup Innovation
Born in Seoul, Korea

Boram Sim moved to Tokyo from New York. Before joining STEIN in 2016, she served as an international marketing maven in the fashion industry, media groups, NGO, and tech ventures. She holds a B.S. in Business Administration from Centenary University and is currently enrolled in Waseda University to pursue her Masters in Business Administration. 


Business Info

Representative | Hikaru Ishikawa
Founded | October 31, 2014
Capital | 1,000,000 Japanese Yen
Headquarters |  Factory 903 1-12-38-903 Taishido, Setagaya-ku, Tokyo 154-0004 Japan
5 minutes walk from Sangenjyaya Sta. Denen-Toshi Line, two stations from Shibuya Sta.
Address | 7-5-16 Fukazawa, Setagaya-ku, Tokyo 158-0081 JAPAN

Want to get in touch? 
Email us at info@steincorporation.net
Call us at +81(50)3738 3732