Senior Director, Client Service

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Job Details

Job Title: Senior Director, Client Service, Media 

Job Location: Hybrid- Atlanta, GA, Boston, MA, Chicago, IL, New York City, NY, Norwalk, CT, Detroit, MI 

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 

• 10+ 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 ability to synthesize complex data into compelling narratives for executive audiences. 

• Proven ability to shape strategic investment decisions and drive commercial outcomes.  

• Track record of delivering multi-year growth plans and achieving significant revenue targets for an account portfolio. 

• Demonstrated success in managing senior client relationships and leading high-performing teams, including direct management of a team of 3 or more professionals. 

• Ability to navigate fast-paced agency or complex client environments, balancing strategic depth with delivery efficiency. 

• Bachelor’s degree in market research/marketing or related social science and analytic subject areas. Masters preferred

Kantar Benefits

We provide a comprehensive, highly competitive benefits package, including

• Medical plans with comprehensive, affordable coverage for a range of health services

• Health Savings Account/FSA

• Dental, Vision and benefits to cover unique healthcare needs

• Wellness Program

• 401k with match

• Tuition Reimbursement, Commuter benefits

• Unlimited PTO

Why join Kantar?

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