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Senior Director, Client Service

Kantar
New York City, United Statesfull_timeVerifiedPosted 3 Dec 2025

About the role

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Job Details

Job Title: Senior Director, Client Service, Media 

Job Location: Hybrid- Atlanta, Boston, Chicago, New York City, Norwalk 

 

About the role 

The Senior Director role is a strategic leadership position responsible for overseeing a portfolio of high-value accounts and guiding strategic account teams. This individual acts as a senior advisor to executive-level stakeholders, influencing investment decisions and driving multi-year growth plans. The role combines deep expertise in media research and analytics with executive engagement and commercial accountability. 

 

Primary Responsibilities 

  • Oversee a portfolio of high-value accounts; manage and lead small portfolio teams or strategic account teams to deliver exceptional client outcomes.  

  • Serve as a senior advisor to executive-level stakeholders; influence strategic investment decisions through evidence-based insights.  

  • Accountable for retention of portfolio and responsible for multi-year growth plans, cross-sell strategies, and achievement of significant revenue targets.  

  • Lead executive-level research initiatives; synthesize primary, secondary, and advanced analytics into actionable narratives for senior decision-making.  

  • Optimize resource allocation and deliver operational efficiency across portfolio teams; shape best practices for quality delivery at scale 

  • Represent Kantar in industry forums and enterprise-wide initiatives; champion innovation in media analytics and cross-platform measurement. 

  • Develop and nurture high-performing teams by identifying, mentoring, and advancing top talent through a culture of continuous learning and collaboration. 

 

Essential Knowledge & Experience 

  • 7+ years in media research, analytics, or consulting with proven success in executive-level engagement. 

  • Expertise in digital ecosystems, cross-platform measurement methodologies, creative quality, and/or placement and audience insights. 

  • Strong command of advanced research techniques, including attribution, ROI modeling, and audience segmentation. 

  • Advanced 

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Company

Kantar

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