Senior Manager - Data Science

Job Description: Senior Data Scientist Role Summary Own and advance Dentsu's measurement and marketing science models across MMM, incrementality, forecasting, and market design. You will develop and validate models, then work with AI Agent Development and Data Engineering to deploy them as scalable, client-facing solutions that are agentic, cost-efficient, and easy to interface with. Key Responsibilities Lead development of marketing mix models using Meridian, Bayesian methods, and custom approaches tailored to client needs Design and execute incrementality studies and forecasting models that drive media investment decisions Set up data infrastructure for 3rd Party Agentic Analytics client pilots and build POV/recommendations briefs for GTM strategy Partner with the AI Agents team to make measurement models agentic: not expensive to build, run, or interface with Validate and improve existing deployed AI tools and mature MMM workflows serving current clients Train Media Effectiveness teams on 3rd Party Agentic Analytics setup, usage, and interpretation for their specific use cases Create client-ready deliverables: model outputs, insight summaries, and strategic recommendations Contribute to methodology standards and best practices that scale across the Data Science pillar Mentor junior data scientists on statistical rigor, model validation, and client communication Required Qualifications 4+ years of experience in data science with focus on marketing measurement, econometrics, or causal inference Deep expertise in Bayesian modeling (Py MC, Meridian, or equivalent) Strong proficiency in Python and SQL with production-grade code quality Experience building and deploying MMM, attribution, or incrementality solutions Track record of translating complex statistical outputs into clear business recommendations Experience working with cross-functional teams (engineering, product, media strategy) Strong written and verbal communication skills for client-facing work Ability to manage multiple workstreams independently with minimal supervision Preferred Qualifications Experience with Google Meridian or contribution to open-source measurement tools Background in media agency or adtech environment Experience deploying models as APIs or automated decision systems Familiarity with LLMs/AI agents and how they can interface with statistical models Experience training non-technical teams on analytical tools and outputs Location: DGS India - Chennai - Anna Nagar Tyche Towers Brand: Paragon Time Type: Full time Contract Type: Permanent Can’t find a suitable job? Sign up for job alerts tailored to your interests and be first in line for new opportunities. About dentsu For over 120 years, innovation has been a core tenet of our offering – exploring new ways to reach, engage and nurture relationships with audiences. Together we drive a multiplier effect for clients at a global scale, through the development of Integrated Growth Solutions that are underpinned by our promise to clients: innovating to impact. Be a force for good. Sustainability is a vital part of our business and an important area of focus for our clients. We’re leading the way – helping to build a more sustainable planet. Dream loud. In this moment of transformation, we need our people to be fearless, embracing change and ambiguity, driven by the love for their work and excitement for the future. Team without limits. We create opportunities for connection and collaboration between our colleagues and clients, building a sense of belonging and having some fun along the way. Find out more about us Who we are Our Social Impact Our work