Chika Terada

Representative Director, CEO, CPO

Chika began his career with Mitsui & Co., Ltd. During that time, he relocated to Silicon Valley to help local venture firms develop their Japan-focused efforts. In 2007, he founded Sansan, Inc., providing digital transformation (DX) services that change how people work, including the namesake Sansan sales DX solution. In 2021, Sansan, Inc. was listed on the First Section of the Tokyo Stock Exchange (now TSE Prime Market Index). In 2023, Chika was appointed as Chairperson of the newly opened Kamiyama Marugoto College of Design, Technology, and Entrepreneurship.

Kei Tomioka

Director, Executive Officer, COO

Kei began his career with Oracle Corporation Japan, and was based in Shanghai and Bangkok, taking charge of market development across Greater China (China, Hong Kong, Taiwan), Southeast Asia, and India. In 2007, Kei co-founded Sansan, Inc. and has led business efforts for Sansan, the sales DX solution. As COO, he oversees Sansan and other B2B SaaS businesses. From 2023, he has served as CEO of Sansan Global Pte. Ltd.

Kenji Shiomi

Director, Executive Officer, CISO, DPO, Engineering Division Head

Director, Executive Officer, CISO, DPO, Engineering Division Head Kenji co-founded Sansan, Inc. in 2007, after working with Bussan System Integration Co., Ltd. (now Mitsui Knowledge Industry Co., Ltd.), where he designed and developed mail systems for major mobile carriers. Since 2012, he has been in charge of the Eight business card app. Now as Engineering Division Head, he oversees the company-wide technology strategy and strengthens its engineering group. In 2023, he also assumed the role of President of Sansan Global Development Center, Inc.​

Yuta Ohma

Director, Executive Officer, CHRO​

Yuta began his career at a human resources company, where he helped launch a consulting service. He then went independent and served as a director for a venture firm in recruitment. Yuta joined Sansan, Inc. in 2010 as a Manager in sales and later became the head of HR. As Chief Human Resources Officer (CHRO), he leads strategies for optimizing the value and productivity of Sansan’s workforce.

Muneyuki Hashimoto

Director, Executive Officer, CFO​

Muneyuki worked for foreign securities companies in Tokyo and New York for nearly 9 years, providing M&A and financing advisory services. He then moved to a group company of the Development Bank of Japan to work in private equity. He joined Sansan, Inc. in 2017, and was appointed CFO in 2018 to lead the company’s financial strategy.

Toru Akaura

Outside Director

Toru is a General Partner at Incubate Fund. Following his involvement in investment development tasks at Japan Associated Finance Co., Ltd. (now JAFCO Group Co., Ltd.), he founded his own venture capital company. Having become an Outside Director of Sansan, Inc. in August 2007, he makes general management recommendations.

Shigemiki Komori

Outside Director

Shigemiki held key positions mainly in the corporate sales division at Hewlett-Packard Japan, Ltd., before being appointed Representative Director, Executive Vice President in 2014. From 2015, he served as Vice President of Salesforce Japan Co., Ltd., leading its Enterprise Business Division. After serving as Vice Chairman of the Board in 2024, he stepped down in February 2025. He was appointed as an Outside Director of Sansan, Inc. in August 2025. Shigemiki draws on his extensive management experience and broad insight to provide recommendations on sales strategy and organizational management.

Maki Suzuki

Outside Director, Audit & Supervisory Committee Member

Maki, an attorney at law, was admitted to the New York State Bar Association after working since 2003 at TMI Associates. She joined the Shintaro Sato Law Office in 2017 and has been a member of the Dai-Ni Tokyo Bar Association since 2021. She became an Outside Director of Sansan, Inc. in August 2022. Her expertise is in corporate legal affairs and compliance, and she provides recommendations from a legal and diversity perspective.

Toko Shiotsuki

Outside Director, Audit & Supervisory Committee Member

Toko is a Director at CyberAgent, Inc., a Junior Accountant, and a Juris Doctor. After working with Japan Airlines Co. Ltd., she joined CyberAgent as a Standing Auditor, and in 2017 became a Director. Toko became an Outside Director of Sansan, Inc. in August 2021. She gives guidance on auditing and diversity, applying accounting and legal knowledge along with corporate experience.

Tsunehiro Shirota

Outside Director, Audit & Supervisory Committee Member

Tsunehiro worked at Lehman Brothers Japan Inc. and Barclays Capital Securities Japan, Ltd. before joining Evernote Corporation, where he served as Vice President in several parts of the company. He then became a partner at WiL, LLC (World Innovation Lab). He was appointed as an Outside Director of Sansan, Inc. in August 2024. Tsunehiro uses his extensive experience to provide recommendations from an investment, financial, and corporate governance perspective.

Hirohito Sasakawa

Executive Officer, CTO

Hirohito earned a doctorate in computer science before joining Recruit Co., Ltd. He joined M3, Inc. in 2018, where he personally contributed as an engineer while leading the launch and management of teams such as AI and machine learning, and SRE. He joined Sansan, Inc. in June 2023 and now serves as CTO, driving the advancement of company-wide technology and R&D.

Kumiko Kawamoto

Executive Officer, Head of COO Team

After working as an engineer at a major international IT company, Kumiko helped set up an overseas inside sales organization. Before joining Sansan, Inc. in 2022, she also served as Director/COO of a Japanese SaaS company, overseeing sales, marketing, business promotion, and offshore business. Now, as Head of the COO Team, she oversees growth strategies and business reforms across businesses.

Yasumasa Ogawa

Executive Officer, Sansan Division Head

Yasumasa joined en Japan Inc. in 2002, where he served as division head before becoming a director at a subsidiary and launching its business. He joined Sansan, Inc. in 2015, leading customer success and marketing for the Sansan sales DX solution. After leading a product renewal for the Eight business card app, he is now overseeing the Sansan business as Division Head.

Katsuya Ohnishi

Executive Officer, Bill One Division Head

Katsuya joined Sansan, Inc. in 2011 after working in sales for SME IT support, launching new businesses, and managing sales departments. He oversaw marketing for the Sansan sales DX solution before launching corporate services for the Eight business card app. He is now leading the growth and expansion of the Bill One accounting DX solution as its Division Head.

Masashige Obana

Executive Officer, Contract One Unit General Manager

Masashige graduated from the Faculty of Economics at The University of Tokyo. He joined BayCurrent Consulting, Inc. in 2013, working mainly with the insurance industry on marketing and IT strategy planning and IT investment management. In 2017, he founded hokan, Inc., where he served as Representative Director, developing and providing customer and contract management systems for insurance agencies. He joined Sansan, Inc. in June 2023 and now serves as General Manager and Product Manager for the Contract One AI-driven contract database.

Shingo Ishino

Executive Officer, Director of Ninout, Inc.

Shingo joined Sansan, Inc. in 2013, working on building systems in sales and marketing. He then led the domestic launch of new products at Marketo and Adobe. From 2019, he served as assistant to the CEO and CMO at SmartDrive, Inc., overseeing marketing and business development. In 2023, he became Representative Director of Nineout, Inc., which provides AI interfaces under the three brands: Ask One, CREATIVE SURVEY, and Fan Fan Fan.

Yuko Kodama​

Executive Officer, Head of Customer Success Department (Sansan Division)

Yuko joined Sansan in 2013, after working as a partner sales representative in the HR industry and in the president’s office of an insurance agency. She first worked in sales of Sansan’s main business and then was involved in alliance work in the business development department. Now, after sales management roles, she is leading the Sansan Division’s Customer Success Department.

Kojiro Osa​

Executive Officer, Head of Recruitment Management Department (Human Resources Division)

Kojiro was among the first new graduate hires when he joined Sansan, Inc. in 2011. He was responsible for launching business card entry for the Eight app and then led the Eight business’ growth as a Product Manager. After working as a product leader in Sansan’s event tech initiative, he moved to the Human Resources Division. Now, as the Head of the Recruitment Management Department, he plans and implements company-wide recruitment strategies and supervises the training of new graduates taking on career-track positions.