Company Overview
Tokyo Headquarters
Korea Office
Leadership
Executives and Chief Officers
Meet the management team of TimeTree,inc.
Yasuto Fukagawa
Representative Director, President / Chief Executive Officer
After studying sociology and cultural anthropology at graduate school in Kyushu University, Fukagawa joined Yahoo Japan Corporation in 2006, where he was in charge of planning social communication services. In 2014, he co-founded JUBILEE WORKS Co., Ltd. (now TimeTree Co., Ltd.). In March 2015, “TimeTree,” a calendar-sharing application was released.
Cha Jin Park
Representative Director / Chief Strategy Officer
Park majored in electronics engineering at Sungkyunkwan University (Korea) and studied environmental economics at the University of Tokyo (graduate school). In 2001, he joined Samsung Japan Co. After that, he served as General Manager of GameOn Inc. and Representative of Netmarble Japan Inc. and Kakao Japan Inc. before co-founding JUBILEE WORKS Inc. (now TimeTree Inc.) in 2014.
Shunichi Matsuda
Director / Chief Data Officer / Head of Public Calendar Division
After joining Yahoo Japan in 2010, Matsuda was transferred from Yahoo Japan to Kakao Japan in 2012 and joined JUBILEE WORKS Inc. (now TimeTree Inc.) as a founding member in 2014. He was in charge of backend engineering at the time of the company's founding. Currently, he is leading the planning and development of TimeTree as CPO.
Hiroshi Kono
Executive Officer / Chief Technology Officer / Head of Technology Division
After joining Yahoo Japan Corporation in 2010 and working in elemental technology and data platform business, Kono joined JUBILEE WORKS Inc. (now TimeTree Inc.) in 2016 after working in mobile game development at Akatsuki Corporation. He was involved in server-side development and member management. Currently, as CTO (Chief Technology Officer), he is responsible for formulating and implementing technology management policies.
Reiji Satomi
Executive Officer / Chief Organizational System Officer / Head of Corporate Division
Satomi started his career as an engineer at Yahoo Japan Corporation in 2009. He joined TimeTree in 2018 after being transferred to Kakao Japan and Wise Sports K.K. (now Sports Navi K.K.). In addition to carrying duties as a project lead, he was also a lead of a information security team that builds and manages internal system. From 2023, as Chief Organizational System Officer (COSO), he is responsible for building a structure and culture in line with the organization's vision.
Shu Shimbo
Executive Officer / Head of Marketing Solutions Division
Joined Yahoo Japan Corporation in 2009. In 2012, was assigned to Kakao Japan from Yahoo Japan, and subsequently joined JUBILEE WORKS Inc. (now TimeTree, Inc.) in 2015 as an iOS engineer. After serving as a product manager and later as head of the advertising business, assumed the current role in 2024. Currently responsible for formulating and executing business strategies for marketing solutions that leverage TimeTree's assets.
Yasutoshi Yoshimoto
Chief Product Officer / Head of Shared Calendar Division
In 2011, Yoshimoto joined Yahoo Japan, where he was engaged in advertising product planning, and in 2013, he was transferred to Kakao Japan, where he was in charge of service planning. Currently, he is the Chief Product Officer (CPO). CPO is responsible for formulating and executing product growth strategies.
Natsuko Okumura
Chief Human Capital Officer / Head of Human Capital Division
After starting a career in the digital marketing industry, Okumura has consistently worked in the HR field, with a focus on talent and organizational development. Okumura joined TimeTree in 2020 and has held her current position since 2024. Okumura leads the HR function, overseeing HR strategy as well as talent and organizational development, payroll and attendance management, and labor relations in alignment with that strategy.