Yu Kato
Founder and CEO

Responsible for changing 0s to 1s. Likes reading books, and sometimes travels. Loves coming across new ideas. Passionate about writing.

Takahiro Amano
Company Director

Working to change 1s to 10s. An enthusiastic learner. On days off, is involved at an educational NPO, and enjoys walks by the river.

Tomoyo Matsuda
Company Director

Worked in a publisher. Raised her kids in the U.S. for 1 year, and hope to produce the contents which are helpful for foreigners.

Keisuke Kikuchi
Company Director

In charge of advertisement management for all media, seminar planning, sales, and general project management.

Erika Tomiyama
IDEAS FOR GOOD Co Editor-in-Chief

Worked in Hanoi, Vietnam after graduating. Loves writing and taking photos. Her motto is “At any time, right now is the most enjoyable.”

Aya Takenaka

Worked in apparel, and as the editor for a women’s magazine, but then made the shift from paper to online. Mainly responsible for Livhub.

Nagisa Mizuno

Used her foreign language skills for international negotiations as a government official in the security field. Harch’s writer and new business developer.

Shiho Miyagi
IDEAS FOR GOOD Business Design Lab Development Manager

Was involved in regional revitalization in college. A former SE. Always follows her curiosity. In charge of IDEAS FOR GOOD.

Yuka Kihara
Writer, Editor

Strives to lighten up others’ hearts. A writer/editor who likes to collect fine ideas that amaze people.

Motoyasu Kato

More than 10 years of SEM management. He’s helped 200 companies with the web strategy execution. Oversees Harch’s all digital marketing.

Norikazu Akiyama
My Craftbeer Editor-in-Chief

When he was a student, his game-related blog got 9 million page views every month. Edits and designs all related media.

Aya Mishina

Worked as an elementary teacher in US for 5 years. She’s been a foreign student advisor at a Japanese university. Mother of one.

Chiaki Sugiyama
Back office

Worked at a web marketing corporation, as a social insurance and labor consultant. She in charge of back office and web marketing.

Roger Ong
Zenbird Media Editor-in-Chief

Believes in the good in this world. Exploring uniquely Japanese solutions that can tackle global issues.

IDEAS FOR GOOD Co Editor-in-Chief

In charge of editing IDEAS FOR GOOD. A creator fluent in 4 different languages, and a passion for adventures in unknown places.

Masataka Sado

Former job was a virus analysis for a major foreign security company. In charge of all media development and system management.

Asako Yamamoto
English Hub Co Editor-in-Chief

Worked at a pharmaceutical company. Has lived in N.Y. Fell in love with its lively people, which motivated her to improve her English.

Rina Ozaki
Business Developer

Has experience in HR and legal work. Wants to lead people and society to a better future by using her expertise.

English Hub Co Editor-in-Chief

Experienced translator and writer of a wide range of topics, from the hobby field to finance and economy. Mainly in charge of English Hub.

Masayuki Kobayashi

Spent 10 years on the west coast, now 15 years in Tokyo. Hopes to pass on joy, empathy, beauty etc. to many people.

Megumi Ito
Harch Europe

Majored in urban sociology, and worked for a comapny specialised in comercial office interior design.Loves wondering and wandering.

Midori Wada
Life Hugger Editor-in-Chief

Former curriculum developer, she is passionate about language education. MA in TESOL. Ukulele & gardening lover. Mother of two.

Momoko Takita
Writer, Editor

Engaged in several internships and non-profit organizations as a student. Passionate to create a circular society.

Ayumi Utsumi
Business Developer

Engaged in web marketing and business developing at her former job. Mother of two. Eager to create a sustainable world for our children’s future.

Hirohisa Kojima
Business Developer

Working to bridge the gap between businesses and sustainability. Offers support and content to build sustainable businesses.

Ayako Iizuka
Livhub Editor-in-Chief

Born in the first year of Heisei period, she strives to be as a clear blue sky on a pleasant breezy sunny day.

Motomi Soma
Writer, Editor

Specialized in classical music as a student. Passionate to communicate valuable information through her writing.

Tomoko Ito
Writer, Editor

Has worked with refugees inside and outside of Japan. Writer who loves people, nature and adventure. Believes in laughter and being herself.

Ran Nomura
Writer, Editor

Motivated to reduce everyday waste, she offers information about zero waste living on Instagram. An influencer with 160,000 followers is a mother of two.

Haruka Ishikawa

Wants to convey the joy of investing and help beginners learn with ease by using her expertise in asset management at local banks.

Writer, Editor

Loves to read and gets inspired by books at every turning point of her life. Eager to write powerful articles that move readers.

Rina Muroi
Business Developer

Positivity enthusiast who loves her hometown, Yokohama, and her second home, the U.S. She finds joy in making others happy through her creativity.

Tomoki Sato

Worked as a web and smartphone app developer. Promotes Harch’s DX as an engineer.

Kazuto Ishizuka
Writer, Editor

Worked as a writer and event organizer to connect people. Interest-driven person who loves to read, write, and interact.


Worked at a sporting goods manufacturer. Loves running and reading. Passionate to share useful information about language learning.

Masato Sezawa
Creative director

Worked as a global sales and digital marketing lead in automotive industry. Develop and plan visual contents for SoMe.

Momoka Maruyama
Business Developer

Studied abroad in Folkehöjskole and is passionate about the concept of permaculture. Loves animals, geological formations and the sky.

Ryuhei Oishi
Business Developer

Used to be a teacher in a kindergarten. Passionate to take actions towards sustainable futures with children, in an enjoyable way!

Kaho Fukui
Business Developer

Handled human resources and sustainability promotion in her previous job. Values the five senses to become a catalyst that connects people and nature.

Natsuki Nakahara
Writer, Editor

Majored in Political Science and Economics, and engaged in non-profit organizations for refugees and environmental issues. Loves traveling on a whim and bakery hopping.

Back office

Bringing her banking and publishing back-office experience into accounting. Enjoys nature, travel, and radio. A mother of two.