Client Manager - 6 Months Contract

About Dentsu Group (dentsu)

Led by Dentsu Group Inc. (Tokyo: 4324; ISIN: JP3551520004), a pure holding company established on January 1, 2020, the Dentsu Group encompasses two operational networks: dentsu japan network, which oversees Dentsus agency operations in Japan, and dentsu international, its international business headquarters in London, which oversees Dentsus agency operations outside of Japan.

With a strong presence in approximately 145 countries and regions across five continents and with 65,000 dedicated professionals, the Dentsu Group provides a comprehensive range of client-centric integrated communications, media and digital services through its five leadership brandsCarat, dentsu X, iProspect, Dentsu Creative, and Merkleas well as through Dentsu Japan Network companies, including Dentsu Inc., the worlds largest single brand agency with a history of innovation. The Group is also active in the production and marketing of sports and entertainment content on a global scale.

Job Description:

The Client Manager plays a key role in developing, executing, and optimizing multi-channel media strategies for clients. This 6-months contract role requires a balance of strategic thinking, analytical ability, and strong communication skills to deliver high-performing campaigns and drive client success.

Key Responsibilities

• Develop and implement integrated media strategies across digital (including SEM), social, print, OOH, and other relevant channels
• Lead the media planning process, ensuring alignment with client objectives, budgets, and KPIs
• Oversee media buying and campaign execution, ensuring accuracy and timely delivery
• Analyze campaign performance data and provide actionable insights and post-campaign reports
• Manage day-to-day client communications, acting as a strategic partner and advisor
• Collaborate closely with creative, analytics, and account teams to deliver seamless campaign execution
• Stay up to date with media trends, platforms, and tools to bring innovation to client work
• Mentor and supervise junior media team members (planners/buyers), ensuring high quality and consistency in output
• Handle vendor negotiations and maintain strong media partner relationships

Requirements

• Bachelors degree in Marketing, Communications, Advertising, or a related field
• 3 to 5 years of media planning and buying experience, ideally in an agency environment
• Proficient in media planning and analytics tools (e.g., Google Ads, Meta Ads Manager, DV360, Nielsen, comScore, Prisma, Tiktok business manager)
• Strong understanding of both traditional and digital media channels
• Excellent project management and organizational skills
• Strategic thinker with attention to detail and a passion for delivering results
• Strong interpersonal and presentation skills