Senior Director, Client Service

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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   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.

Lead a set of   hi gh value client acc ounts   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 ex isting accounts   and   identif ying   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