Senior Director, Client Service

Job Title Senior Director, Client Service, Media Job Location Hybrid – Atlanta, GA; Boston, MA; Chicago, IL; New York City, NY; 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. Primary Responsibilities Lead 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. 401(k) with match. Tuition Reimbursement, Commuter benefits. Unlimited PTO. Salary $124,933 – $165,666 annually. EEO Statement All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability. Privacy Disclosure Please note that by applying to this opportunity you consent to the personal data you provide to us to be processed and retained by The Kantar Group Limited (“Kantar”). Your details will be kept on our Internal ATS (Applicant Tracking System) for as long as is necessary for the purposes of recruitment, which may include your details being shared with the hiring manager. #J-18808-Ljbffr Kantar