Senior Director, Client Service, Media

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 a c h i e v e m e n t o f significant revenue targets.

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

• Optimiz e 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 .

• Expertis e 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?

We shape the brands of tomorrow by better understanding people everywhere. By understanding people, we can understand what drives their decisions, actions, and aspirations on a global scale. And by amplifying our in-depth expertise of human understanding alongside ground-breaking technology, we can help brands find concrete insights that will help them succeed in our fast-paced, ever shifting world.

And because we know people, we like to make sure our own people are being looked after as well. Equality of opportunity for everyone is our highest priority and we support our colleagues to work in a way that supports their health and wellbeing. While we encourage teams to spend part of their working week in the office, we understand no one size fits all;

our approach is flexible to ensure everybody feels included, accepted, and that we can win together. We’re dedicated to creating an inclusive culture and value the diversity of our people, clients, suppliers and communities, and we encourage applications from all…