Dentsu Japan Executive and Leadership Team

Sei Matsumoto, the Chief Executive Officer at Dentsu Japan, directs the overarching strategy and operational execution for the firm's integrated communication solutions. Matsumoto guides the company's approach to combining traditional advertising expertise with modern digital capabilities, ensuring Dentsu Japan effectively addresses complex business challenges across diverse industries. This leadership involves overseeing the strategic development of creative campaigns and media execution, aligning all functions with the company's mission to drive meaningful business outcomes. The Chief Executive Officer's role is central to fostering innovation and maintaining Dentsu Japan's position as a comprehensive advertising and public relations leader. Sei Matsumoto's strategic vision ensures the organization consistently delivers value to clients seeking to strengthen their market presence and build lasting stakeholder connections. The executive's focus remains on enhancing the firm's service portfolio, which extends beyond conventional marketing to include business and management consulting, enabling holistic client problem-solving and measurable results.

Taku Ozaki, the CEO/代表取締役社長 Taiwan Dentsu Inc. at Dentsu Japan, spearheads operations and strategic initiatives for the Taiwan division. Ozaki's leadership ensures the seamless integration of Dentsu's comprehensive advertising and public relations solutions within the Taiwanese market. This involves directing creative development and media execution tailored to local business challenges and consumer insights. The CEO/代表取締役社長 Taiwan Dentsu Inc. role is critical in expanding Dentsu's reach and impact across diverse industries in the region. Taku Ozaki's responsibilities include fostering strong client relationships and driving business growth through innovative communication strategies. The executive's commitment to delivering measurable results underpins the firm's broader mission of providing holistic business and management consulting alongside conventional marketing services. Ozaki's operational oversight guarantees that Taiwan Dentsu Inc. effectively leverages data analytics and creative storytelling to build lasting connections with stakeholders.

Tsuyoshi Suganami, the Chief Executive Officer, Dentsu Media Greater (China) at Dentsu Japan, directs the strategic vision and operational execution for Dentsu's media business across Greater China. Suganami's leadership ensures the effective deployment of integrated communication solutions, encompassing media strategy, planning, and buying tailored to the dynamic Chinese market. The Chief Executive Officer, Dentsu Media Greater (China) role is pivotal in driving growth and innovation within this key region, leveraging Dentsu's expertise in traditional advertising and modern digital capabilities. Tsuyoshi Suganami's focus is on expanding market share and delivering measurable results for clients navigating complex business challenges. This executive's strategic direction supports Dentsu Japan's broader commitment to providing comprehensive services, including business and management consulting, thereby addressing client needs holistically. Suganami's leadership ensures strong stakeholder engagement and a robust market presence throughout Greater China.

James Millen, the Chief Financial Officer at Dentsu Japan, oversees all financial operations and strategic fiscal planning for the organization. Millen's purview includes managing budgets, financial reporting, and investment strategies to support Dentsu Japan's integrated communication solutions. The Chief Financial Officer's role is vital in ensuring the financial health and sustainability of the company as it navigates diverse industries and market segments. James Millen's expertise guides the firm's financial approach, enabling robust business and management consulting alongside core advertising and public relations offerings. This financial leadership ensures that Dentsu Japan can effectively allocate resources towards creative development, media execution, and the adoption of modern digital capabilities. Millen's strategic financial management contributes directly to the company's ability to deliver measurable results and strengthen its market presence. The executive's focus is on optimizing financial performance to drive long-term growth and stakeholder value.

Stephan Matthiesen, the Chief Financial Officer (Asia Pacific) at Dentsu Japan, directs financial strategy and oversight across the Asia Pacific region. Matthiesen's responsibilities encompass managing regional financial performance, ensuring compliance, and driving fiscal discipline to support Dentsu's expansive service portfolio. The Chief Financial Officer (Asia Pacific) role is crucial for harmonizing financial operations across diverse markets, enabling integrated communication solutions that span strategy, creative development, and media execution. Stephan Matthiesen's financial acumen supports the company's broader mission of providing business and management consulting, extending beyond conventional marketing to address complex client challenges. This regional financial leadership ensures that Dentsu Japan's operations in Asia Pacific are optimized for growth and profitability. Matthiesen's strategic financial planning contributes to the firm's ability to deliver measurable results and maintain a strong market presence throughout the region.

Antony Tang, the Chief Financial Officer, Commercial Finance at Dentsu Japan, leads the financial strategy and operations for the commercial aspects of the business. Tang's focus is on optimizing revenue streams, managing profitability, and ensuring robust financial controls across all client-facing activities. The Chief Financial Officer, Commercial Finance role is integral to Dentsu Japan's ability to deliver integrated communication solutions, from strategy and creative development to media execution. Antony Tang's financial expertise supports the company's expansion into business and management consulting, ensuring commercial viability for these extended services. This leadership ensures that Dentsu Japan effectively leverages data analytics and consumer insights to drive measurable results for clients. Tang's strategic financial management contributes directly to the firm's capacity to build lasting connections with stakeholders and strengthen its market presence. The executive's dedication to commercial excellence underpins the company's overall growth objectives.

Rosemary Cookeygam, the Group Manager & Chief of Staff at Dentsu Japan, provides critical operational and strategic support across key leadership functions. Cookeygam's role involves streamlining internal processes, managing cross-departmental initiatives, and ensuring alignment with the company's overarching mission of delivering integrated communication solutions. The Group Manager & Chief of Staff position is essential for enhancing operational efficiency and facilitating the seamless execution of strategy, creative development, and media planning. Rosemary Cookeygam's contributions are vital to Dentsu Japan's ability to address complex business challenges and expand its service offerings beyond conventional marketing. This leadership ensures effective coordination between various teams, supporting the delivery of business and management consulting alongside core advertising and public relations. Cookeygam's focus on operational excellence drives the company's commitment to achieving measurable results and fostering strong stakeholder relationships.

Shuji Nezu, the Chief Technology Officer, Dentsu (Japan) at Dentsu Japan, spearheads the technological strategy and digital transformation initiatives for the Japanese operations. Nezu's responsibilities include overseeing the integration of advanced technologies to enhance Dentsu's integrated communication solutions, from creative development to media execution. The Chief Technology Officer, Dentsu (Japan) role is critical in ensuring the company remains at the forefront of digital capabilities, addressing complex business challenges with innovative solutions. Shuji Nezu's technical leadership supports the expansion of services beyond conventional marketing, enabling the effective delivery of business and management consulting. This focus on technology drives the company's ability to leverage data analytics and consumer insights for measurable results. Nezu's strategic vision for technology infrastructure contributes directly to Dentsu Japan's capacity to build lasting connections with stakeholders and maintain a competitive edge in the market.