Provide Joy and Freedom by Automating the World
ChatBook is a sales acceleration intelligence to power fuel into marketing, inside sales, and sales teams. In 2016, our founder, the only sales person at that time, found herself in a flood of repetitive work. To bring focus back to her creative work, the team built a software to automate sales and marketing. This is the beginning of our story.

What We ♡

What we think important

Make what people want

Our team majority consists of serial entrepreneurs. We know how crucial and fun it is to make something for others.

Run while think

Everyone takes ownership of their job and have power to make decision.

Enjoy Learning

We are the most curious people in the world. Love to explore fresh insights and methods.

Set Goals, Make them Happen Here

YOLO. Think about what you want to be in the future. Let’s start it from here.

Team

ChatBook is comprised of an international and multi-cultural team of entrepreneurs, designers and developers.
Maiko Kojima
CEO

As CEO, Maiko leads ChatBook product vision, design and development, sales and marketing strategy, and financing. Maiko has been building new products for the last 10 years and she was most recently the co-founder and CTO of Primeagain Inc. She created and directed more than 30 of apps from scratch, doubling the number of users each years up to 5M. She was also in charge of financing and raised $1M.

Maiko graduated from B.S. in International Politics and Economics from Waseda University.

Yang Fei
Full-Stack Developer

Yang is a co-founder of ChatBook. Yang has managed world-class webapp engineering and machine learning for nearly 10 years, with a focus on customer success. Prior to joining ChatBook, he was a deep learning engineer in a startup that runs an language learning platform using AI. Yang was also helping a chat apps. He also joined his career in one of the Japan’s biggest manufacturing company.

Yang holds a B.S. from Dalian University of Technology and a M.S. in informatics from Nagoya University.

Michal Stach
Full-Stack Developer

Michal has served as a full stack engineer since Dec 2017. Prior to ChatBook, he was a co-founder and CTO of Menulingo. Before Menulingo he joined TSMC, which is the leading company in manufacturing of semiconductor industry, there he designed A11 tips of iPhone as a R&D engineer.

Michal holds a B.S. in electrical engineering at Czech Technical University in Prague with a B.S. and M.S. in nanotechnology at National Tsing Hua University.

Chirag Chamoli
CTO
Daniel Saito
Sales
Ako Nakayama
Customer Success
Eugene Hong
Business manager
Masami Sasaki
Inside Sales
Kanji Tsuneishi
Sales

Job Openings

This is an amazing opportunity to join the founding team of a new startup based in
Tokyo. We are a pre-seed, garage-based group of engineers building Messenger chatbot tools for
businesses for generating more leads and automating their sales pipeline. Remote and relocation benefit included! Are
you ready for your next challenge?
AngelList Wantedly

Corporate Profile

Corporate Name ChatBook, Inc.
Address Koukaidou building 2F 4-2-45 Roppongi , Minato-ku, Tokyo,106-0032, Japan
CEO Maiko Kojima
Investors Salesforce Ventures East Ventures YJCapital (affiliate of Yahoo Japan 100%)
Advisor Salesforce Ventures Shinji Asada
East Ventures Eto Batara
YJ Capital CEO Shinichiro Hori

ChatBook, Inc.
101 Hachery Shibuya 14-1
Sakuragaokacho, 渋谷区 Tokyo 150-0031

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