ABOUT US
KK Data Science
Founded in October 2023, KK Data Science is dedicated to revolutionizing accounting, tax, and payroll systems in Japan by designing cutting-edge infrastructure and developing innovative programming languages. Spearheading this mission is Kohei-David Otani, the institute’s representative, who brings over 25 years of experience in accounting and 12 years in taxation. Prior to founding the institute, Otani established the international department at Otani & Partners Tax Corporation and gained extensive experience in inbound and outbound consulting during his tenure at Deloitte Tax Corporation, one of the Big Four accounting firms. Throughout his career, Otani has successfully assisted more than 3,000 foreign businesses and entrepreneurs from over 30 countries, including Europe, the United States, and Oceania, with establishing operations in Japan.
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As globalization accelerates, advancements in machine translation and global conferencing tools have made cross-border business easier. However, foreign companies still face significant challenges when entering the Japanese market, particularly due to the complexities of local accounting systems, tax regulations, and the unique financial and human resources structures that underpin them.
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KK Data Science addresses these challenges by benchmarking the latest automation and AI technologies used in back-office functions, especially in finance and human resources, from leading markets like the US and UK. The institute provides tailored solutions designed to align with the business practices and IT environments of its clients’ home countries, ensuring a smooth entry into Japan’s market. With deep expertise in major accounting standards, including J-GAAP, US-GAAP, IFRS, as well as international tax law, tax treaties, and social security agreements, the institute builds scalable, reliable systems to meet clients' needs and offers comprehensive support throughout the implementation process.
Our Team
Kohei-David Otani
Kohei-David Otani is an accomplished executive data scientist and accounting expert with a distinguished career spanning both the global and Japanese markets. After earning an MBA in finance and playing a key role in introducing IFRS (International Financial Reporting Standards) in Japan, Otani established the international department at Otani & Partners Tax Corporation, a leading tax accounting firm. Under his leadership, the firm became one of Japan's premier international accounting firms, specializing in assisting foreign businesses with their operations in Japan. Drawing on his extensive expertise, Otani now focuses on designing core systems tailored to Japanese business practices and IT infrastructure. He leverages cutting-edge technologies, such as AWS (Amazon Web Services) and automation tools like Python, to optimize operational efficiency for clients. With a strong background at Deloitte Tax Corporation, the world’s largest accounting firm, Otani brings a wealth of knowledge to every project, ensuring that systems are both scalable and aligned with the unique requirements of Japan’s regulatory environment.
Linda Puuding comes from Northern Europe, where advancement in IT has experienced exponential growth and where IT solutions are deemed essential in both public and private sectors. Puuding has a background in Japanese language and culture as well as international studies, bringing a unique interdisciplinary perspective to her work. Currently also a senior consultant at Otani & Partners Tax Corporation, Puuding’s diverse background and expertise position her as a key leader in fostering innovation and efficiency within the company.
