Kantar
Kantar
Kantar is a global data insights and consulting company that helps organizations make better decisions about consumers, brands, and markets. Its work combines research, analytics, technology products, and digital platforms across areas such as brand strategy, consumer behavior, creative effectiveness, and customer experience. Kantar supports organizations in sectors including automotive, consumer packaged goods, energy, financial services, media, retail, and technology, providing evidence-based guidance for growth, innovation, and stronger brand performance. With around 28,000 colleagues working across global markets, Kantar brings together expertise in marketing, consulting, and media to turn complex audience and market data into practical business insight.

Senior Director, Client Service - Media Effectiveness (Chicago Hybrid)

Lead media effectiveness research, strategic client accounts, and measurement strategy for Kantar. Drive account growth, research impact, and executive decision-making across complex media programs.

Description

  • Own a strategic book of business within the wider practice portfolio
  • Manage high-value client accounts, overseeing research delivery against forecast targets, profitability, client satisfaction, and long-term growth
  • Advise senior and executive stakeholders on media investment decisions while shaping measurement and learning agendas
  • Direct the design and delivery of complex media effectiveness research programs to a high standard
  • Convert client business challenges into scalable research frameworks that deliver lasting impact
  • Distill complex data from multiple sources into compelling executive narratives and practical recommendations
  • Collaborate with commercial teams to grow existing accounts and uncover new research opportunities
  • Improve account-team operations through effective resourcing, delivery models, and shared best practices
  • Build and manage high-performing teams while developing expertise in research, storytelling, and client leadership
  • Represent Kantar with senior clients and in the industry while advancing media measurement and analytics

Requirements

  • Bring 10–15+ years of experience in market research, media analytics, or insights consulting, including substantial responsibility for complex client portfolios
  • Demonstrate deep expertise in media effectiveness research, including brand lift, cross-platform measurement across digital, CTV, addressable, and linear channels, plus attribution, ROI, and segmentation methodologies
  • Show a strong record of turning complex data into clear executive narratives that support strategic decisions and influence investment results
  • Have experience acting as a trusted advisor to senior and executive stakeholders, shaping measurement strategies and long-term business direction
  • Possess strong commercial judgment, with experience supporting partnership renewals, generating growth, and executing multi-year account plans
  • Have led and expanded high-performing teams, developed research talent, and raised standards across account structures
  • Demonstrate the ability to deliver operational excellence at scale by optimizing team resourcing, delivery models, and best practices
  • Communicate with confidence and demonstrate leadership presence in fast-moving, complex client environments
  • Hold a bachelor's degree

Benefits

  • Medical coverage with comprehensive and affordable options across a range of health services
  • Health Savings Account or Flexible Spending Account
  • Dental and vision coverage designed for varied healthcare needs
  • Wellness program
  • 401(k) plan with employer match
  • Tuition reimbursement
  • Commuter benefits
  • Unlimited paid time off
  • Flexible working approach
  • Performance-based pay culture
  • Career advancement opportunities
  • Mental health and well-being support
  • Inclusive culture with equal opportunity

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