Director, Client Service - MarSci

Kantar$120K — $140K *
Media
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • 8-12 years of experience in marketing science, marketing analytics, or media measurement (agency or brand-side)
  • Strong working knowledge of cross-channel media measurement, including attribution, experimentation, and ROI analysis
  • Familiarity with Marketing Mix Modeling concepts and related measurement approaches
  • Experience supporting data-driven media planning and optimization across digital and/or traditional channels
  • Strong analytical skills, including quantitative analysis and data interpretation
  • Ability to translate data into clear, actionable insights for business and client stakeholders
  • Collaborative, team-oriented mindset with the ability to influence without direct authority
  • Bachelor's degree in a relevant field; advanced degree a plus

Responsibilities

  • Lead execution of cross-channel media measurement plans aligned with business objectives
  • Translate measurement frameworks into client-ready outputs like analyses and presentations
  • Support campaigns with ongoing performance analysis and optimization recommendations
  • Apply multi-touch attribution methodologies to inform media investment decisions
  • Partner with Analytics stakeholders for effective integration into planning workflows
  • Design and execute test-and-learn initiatives, including A/B tests and incrementality analyses
  • Translate complex analytical outputs into clear insights for stakeholders
  • Develop presentations that link measurement outcomes to business impact

Benefits

  • Comprehensive medical plans with affordable coverage
  • Health Savings Account/FSA
  • Dental, vision, and coverage for unique healthcare needs
  • Wellness program
  • 401k with match
  • Tuition reimbursement and commuter benefits
  • Unlimited PTO
Full Job Description

Job Title: Director, Marketing Science

Location(s) Hybrid: Chicago, IL, Atlanta, GA, Detroit, MI, New York, NY

Role Overview

We are seeking a highly motivated Director of Marketing Science to support our Media Teams analytics and measurement function. In this role, you will partner closely with senior leadership to bring cross-channel media measurement strategy to life through execution, account leadership, and actionable insights. You will help design and deliver cross-channel measurement solutions -encompassing digital, social, search, linear TV, streaming, and more - leveraging methodologies such as multi-touch attribution, test-and-learn experimentation, and media effectiveness measurement. You will play a critical role in translating advanced analytics into clear recommendations that influence media investment decisions and improve campaign performance.

Key Responsibilities

Execution & Measurement Delivery

  • Lead the execution of cross-channel media measurement plans, ensuring alignment with broader strategy and business objectives
  • Translate measurement frameworks into practical, client-ready outputs (analyses, dashboards, presentations)
  • Support campaign and always-on programs with ongoing performance analysis and optimization recommendations

Marketing Mix Modeling & Attribution

  • Support the application of multi-touch attribution methodologies to quantify channel contribution and inform media investment decisions
  • Partner with Analytics stakeholders to ensure outputs are effectively integrated into planning and optimization workflows
  • Maintain a strong working understanding of Marketing Mix Modeling (MMM) methodologies, including how LIFT/LIFT+ solutions complement MMM and broader ROI measurement tools, and help inform opportunities for future integration or enhancement

Experimentation & Incrementality

  • Design and execute test-and-learn initiatives, including A/B tests, lift studies, and incrementality analyses
  • Ensure strong experimental design and interpretation of results to provide clear, actionable recommendations

Insights & Storytelling

  • Translate complex analytical outputs into clear, concise insights and recommendations for internal and client stakeholders
  • Develop presentations and materials that connect measurement outcomes to business impact and media and creative optimization opportunities

Cross-Functional Partnership

  • Work closely with media strategy, activation, analytics, and client teams to ensure measurement is embedded in planning and decision-making
  • Act as a day-to-day marketing science lead on key accounts, ensuring deliverables are timely, accurate, and impactful

Team Contribution & Development

  • Provide informal mentorship and coaching to junior team members as a subject matter resource
  • Contribute to building team capabilities through knowledge sharing and best practice development
  • Take direction from senior leadership and proactively identify opportunities to improve execution, workflows, and outputs

Qualifications & Experience

  • 8 612 years of experience in marketing science, marketing analytics, or media measurement (agency or brand-side)
  • Strong working knowledge of cross-channel media measurement, including attribution, experimentation, and ROI analysis
  • Familiarity with Marketing Mix Modeling concepts and how different measurement approaches complement one another
  • Experience supporting data-driven media planning and optimization across digital and/or traditional channels
  • Strong analytical skills, including experience with quantitative analysis and data interpretation
  • Ability to translate data into clear, actionable insights for business and client stakeholders
  • Collaborative, team-oriented mindset with the ability to influence without direct authority
  • Bachelor's degree in a relevant field (e.g., Statistics, Economics, Marketing, Business); advanced degree a plus

Success in this role means consistently delivering high-quality, reliable measurement outputs that drive confident media decisions, while seamlessly bridging strategy and execution to ensure frameworks are not just designed, but fully operationalized. It involves building strong trust with cross-functional partners through clear communication, accountability, and follow-through, and contributing to a scalable, consistent approach to marketing science delivery that elevates both impact and efficiency across the organization.

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

New York, World Trade CenterUnited States of America

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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