Job Description

Position at GroupM

We are seeking Media Planners at across levels (3-10 years) to join our growing team in Japan. Whether you are starting your journey as a Media Planning Executive or stepping up as a Media Planning Manager, you will play a pivotal role in delivering integrated, data-driven, and audience-centric media plans that drive results for clients across diverse categories including FMCG, tech, and consumer electronics.

You will collaborate with clients, internal teams, and media partners to ensure seamless planning, execution, and analysis of campaigns across multiple channels, with a focus on digital.

Key Responsibilities:
Strategic Planning & Analysis:

• Develop insightful, data-driven media strategies that align with client objectives and KPIs.

• Conduct consumer insights research using syndicated, proprietary, and first-party data tools.

• Turn business goals into clear communication objectives and actionable media plans.

• Analyze competitive data, category trends, and consumer behavior to inform recommendations.

Campaign Execution & Management:

• Collaborate with internal specialists (digital, biddable, programmatic, and offline) and external media partners to build and execute integrated media plans.

• Ensure the successful and accurate launch of campaigns, monitoring delivery to align with KPIs (e.g., reach, performance, and budget goals).

• Coordinate regular campaign reporting and co-create post-campaign analysis presentations with actionable insights.

Client Partnership:

• Build strong relationships with clients, acting as a trusted advisor for media planning expertise.

• Lead relevant discussions in client meetings, QBRs, and strategy sessions.

• Provide consistent and timely updates on campaign performance, ensuring alignment with client expectations.

Collaboration & Team Development:

• Work closely with cross-border teams and stakeholders across markets.

• Mentor and guide junior team members, fostering a collaborative and growth-focused environment.

• Drive adoption of GroupM tools and encourage innovative solutions grounded in audience insights.

What You’ll Bring:

• 3-10 years of experience in media planning, advertising, or marketing (agency or in-house).

• Strong foundational knowledge of offline or digital media channels, including search, social, display, video, and programmatic.

• Data-driven mindset with experience in analyzing campaign performance and identifying insights.

• Excellent organizational skills with the ability to manage multiple projects and deadlines.

• A collaborative, solution-oriented approach with problem-solving skills and creative thinking.

• Bilingual proficiency in English and Japanese is preferred but not mandatory.

• Proficiency in Excel, PowerPoint, and media planning tools is preferred.

Why Join Us?
At GroupM, you’ll have the opportunity to work with leading global brands and cutting-edge tools, supported by a culture of learning, innovation, and collaboration. If you’re passionate about shaping how audiences connect with brands and thrive in a fast-paced environment, we want to hear from you.

More about GroupM    

GroupM is the leading global media investment management group serving as the parent to WPP media agencies including Mindshare, EssenceMediaCom, Wavemaker, and GroupM Nexus, each global operations in their own right with leading market positions. GroupM’s primary purpose is to maximize the performance of WPP’s media agencies by operating as leader and collaborator in trading, content creation, sports, digital, finance, and proprietary tool development. 

About Japan    

Japan is both the world’s third-largest media market and third-largest e-commerce market. As one of the first markets to develop a full mobile e-commerce ecosystem circa 2001 to 2002, Japanese digital consumers are experienced and discerning; digital marketing campaigns are sophisticated, multi-layered labor of love. While growth is lower in this mature market, e-commerce is projected to increase by 12% in 2016, 11% in 2017 – emerging technologies are driving substantial growth. Programmatic spend across all devices has seen a 156% increase between 2012 and now, with mobile Programmatic spend expected to grow 174% between now and 2017. If you want to excel in a mature, refined media advertising atmosphere and reach savvy consumers with equally-savvy media plans, Japan is the place to be.

 

GroupM is an equal opportunity employer. We view everyone as an individual and we understand that inclusion is more than just diversity – it’s about belonging. We celebrate the fact that everyone is unique and that’s what makes us so good at what we do. We pride ourselves on being a company that embraces difference and truly represents the global clients we work with.

 

Discover more about GroupM at www.groupm.com  

Follow @GroupMWorldwide on X

Follow GroupM on LinkedIn - https://www.linkedin.com/company/groupm  

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