Senior Director, Client Service

Kantar • $135K — $165K *
Media
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • 10-15+ years in market research, media analytics, or insights consulting
  • Expertise in media effectiveness research methodologies
  • Ability to translate complex data into executive-level narratives
  • Experience advising senior stakeholders on measurement strategy
  • Strong commercial acumen with a track record of driving growth
  • Proven leadership in developing high-performing teams
  • Operational excellence in optimizing resources and delivery models
  • Bachelor's degree required; advanced degree preferred

Responsibilities

  • Lead high-value client accounts, ensuring research delivery meets targets
  • Serve as a strategic advisor to senior stakeholders on media investments
  • Oversee best-in-class design and delivery of media effectiveness programs
  • Translate client challenges into scalable research frameworks
  • Synthesize multi-source data into actionable executive narratives
  • Partner with commercial teams to expand accounts and identify new opportunities
  • Ensure operational excellence across account teams
  • Build and lead high-performing teams in research and client leadership
  • Act as a senior representative of Kantar in the industry

Benefits

  • Comprehensive medical plans with affordable coverage
  • Health Savings Account/FSA options
  • Dental and vision benefits
  • Wellness program
  • 401k with matching contributions
  • Tuition reimbursement and commuter benefits
  • Unlimited PTO
Full Job Description
Job Title: Senior Director, Client Service, Media

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

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 strong 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


Location
Chicago, N. Green StreetUnited States of America

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About Kantar

Kantar is a data, insights and consulting company. It is the world's largest market research company, with offices in 100 countries. Kantar's services include brand research, advertising effectiveness, media research, and public opinion polls. The company was founded in 1992 as the Market Research, Consultancy and Investment Group and was renamed Kantar in 2008. Kantar is part of WPP, a British multinational advertising and public relations company. In 2019, Kantar was sold to Bain Capital for $4 billion.
Learn more about Kantar
Size
30,000 employees
Industry

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