Tokyo, Japan, September 25, 2025— Diligent, the AI leader in governance, risk and compliance (GRC) SaaS solutions, today announced the appointment of Masayuki Katayama as the Country Manager of Diligent Japan. Katayama will lead Diligent's expansion in the Japanese market, leveraging his decades of experience in the software industry to drive transformative growth and innovation.

As Japanese corporations navigate an increasingly complex global landscape, Katayama's appointment is a critical milestone for Diligent and its ability to deliver transformative AI solutions to the market. Japan's strong Corporate Governance Code set a new standard for transparency and accountability, aligning with global best practices. Against this backdrop, Diligent's GRC solutions are poised to play a transformative role in the market. By leveraging Diligent's innovative AI transformation capabilities, Japanese businesses can bridge the governance gap, unlock new growth opportunities and become more competitive globally.

“I’m thrilled to join Diligent at this pivotal moment,” said Masayuki Katayama, Country Manager at Diligent. “Japan’s corporations are facing significant challenges in managing governance, risk and compliance, and Diligent’s cutting-edge solutions, fueled by AI, are critical in unlocking new growth opportunities and driving modern governance practices. By bringing together traditional software expertise and AI innovation, we’re empowering Japanese corporations to achieve greater governance maturity and drive long-term success.”

With over 40 years of experience in the software industry, Katayama brings a wealth of knowledge to his role as Country Manager, having worked with various global software companies. Notably, he established Sitecore and BrightEdge's first Asian offices in Tokyo, as their country manager, and managed the enterprise global alliance between Microsoft and Fujitsu as a Business Development Manager, overseeing relationships in more than 15 countries.

“This appointment marks a significant milestone in our APAC expansion strategy, enabling us to strengthen our presence in one of the region’s most critical markets,” said Andrew Amos, Regional Vice President, Diligent. “With his deep understanding of the Japanese market and extensive experience in the software industry, Masayuki is ideally positioned to lead our efforts in Japan to deliver transformative AI-enabled GRC solutions.”

About Diligent

Diligent is the AI leader in governance, risk and compliance (GRC) SaaS solutions, helping more than 1 million users and 700,000 board members to clarify risk and elevate governance. The Diligent One Platform gives practitioners, the C-Suite and the board a consolidated view of their entire GRC practice so they can more effectively manage risk, build greater resilience and make better decisions, faster. Learn more at diligent.com

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Media Contact

Michele Steinmetz Senior Communications Director, Diligent +1-215-817-5610 msteinmetz@diligent.com