Senior Director, Client Service

Job Details

Job Title:

Senior Director, Media Client Service
Job Location:

Hybrid- Atlanta, GA, Boston, MA, Chicago, IL, Norwalk, CT, Detroit, MI
About the role

The Senior Director leads a strategic book of business within a broader practice portfolio, combining deep media effectiveness research expertise with senior client advisory and commercial acumen in partnership with client partners and sales teams. This role influences investment decisions, drives multi-year growth, and delivers insight-led strategies that shape client outcomes.
Primary Responsibilities

Lead a set of high value client accounts with accountability for research delivery against forecasted targets, profitability, client satisfaction, and long-term growth
Serve as a strategic advisor to senior and executive stakeholders, influencing media investment decisions and shaping measurement and learning agendas
Lead research, ensuring best-in-class design and delivery of complex media effectiveness programs (e.g., brand lift, cross-platform measurement, attribution, ROI, segmentation)
Translate client business challenges into scalable research frameworks that drive sustained impact across campaigns and time
Synthesize complex, multi-source data into clear executive narratives, delivering actionable recommendations that shape decisions
Partner with commercial teams to drive growth by expanding existing accounts and identifying new research opportunities
Ensure operational excellence across account teams, optimizing resourcing, delivery models, and best practices to drive quality, efficiency, and scalability
Build and lead high-performing teams, developing talent and strengthening capabilities in research, storytelling, and client leadership
Act as a senior representative of Kantar, contributing to client leadership, industry presence, and advancement of media measurement and analytics
Essential Knowledge & Experience

10–15+ years of experience in market research, media analytics, or insights consulting, with significant ownership of complex client portfolios
Deep expertise executing media effectiveness research, including brand lift, cross-platform measurement (digital, CTV, addressable, linear), and advanced methodologies (attribution, ROI, segmentation)
Proven ability to translate complex data into clear, executive-level narratives that drive strategic decision-making and influence investment outcomes
Demonstrated success serving as a trusted advisor to senior and executive stakeholders, shaping measurement strategy and long-term business direction
Strong commercial acumen, with a track record of influencing partnership renewal, driving growth and delivering multi-year account plans
Experience leading and scaling high-performing teams, including developing research talent and driving excellence across account structures
Proven ability to deliver operational excellence at scale, optimizing resourcing, delivery models, and best practices across teams
Excellent communication and leadership presence; able to operate effectively in fast-paced, complex client environments
Bachelor’s degree required; advanced degree 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.
We are committed to equality of opportunity for everyone and support a flexible working approach to health and wellbeing. We encourage applications from all backgrounds and sections of society.
Even if you feel you’re not an exact match, we’d love to receive your application and talk to you about this job or others at Kantar.
Privacy and Legal Statement

PRIVACY DISCLOSURE: By applying to this opportunity you consent to the personal data you provide being processed and retained by The Kantar Group Limited (Kantar). Your details will be kept on our Internal ATS for as long as necessary for recruitment, which may include sharing with the hiring manager.
The salary range for this role is $124,900 - $170,400 Annual. Your final base salary will be determined based on location, work experience, skills, knowledge, education, and/or certifications. All qualified applicants will receive consideration without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, or disability.
Kantar Rewards Statement

At Kantar we have an integrated way of rewarding our people based around a simple, clear and consistent set of principles. Our approach helps to ensure we are market competitive and to support a pay-for-performance culture, with rewards and career progression linked to what you deliver.
We go beyond the obvious, using intelligence, passion and creativity to inspire new thinking and shape the world we live in. Apply for a career that’s out of the ordinary and join us.
We want to create an equality of opportunity in a fair and supportive working environment where people feel included and accepted, and where mental health and wellbeing are taken into consideration. We also aim to build a diverse community to expand our talent pool and drive better outcomes.
Kantar is the world’s leading data, insights and consulting company. We understand more about how people think, feel, shop, share, vote and view than anyone else. Our 30,000 people help the world’s leading organisations succeed and grow.
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