Senior Manager - Data Science (Marketing Measurement)

About the role

Dentsu's Paragon brand is looking for a Senior Manager - Data Science in Chennai to own and advance its measurement and marketing science models across MMM, incrementality, forecasting and market design. The role develops and validates models, then works with the AI Agent Development and Data Engineering teams 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 run incrementality studies and forecasting models that drive media investment decisions
• Set up data infrastructure for 3rd Party Agentic Analytics client pilots and write POV/recommendations briefs for GTM strategy
• Partner with the AI Agents team to make measurement models agentic, cheap to build, run and interface with
• Validate and improve existing deployed AI tools and mature MMM workflows for current clients
• Train Media Effectiveness teams on the setup, usage and interpretation of 3rd Party Agentic Analytics
• Produce client-ready deliverables: model outputs, insight summaries and strategic recommendations
• Contribute to methodology standards and best practices across the Data Science pillar
• Mentor junior data scientists on statistical rigor, model validation and client communication

Required profile

• 4+ years of experience in data science focused on marketing measurement, econometrics or causal inference
• Deep expertise in Bayesian modeling (PyMC, Meridian or equivalent)
• Track record of turning complex statistical outputs into clear business recommendations
• Experience working with cross-functional teams (engineering, product, media strategy)
• Strong written and verbal communication for client-facing work
• Able to manage multiple workstreams independently with minimal supervision

Required skills

• Python and SQL with production-grade code quality
• Building and deploying MMM, attribution or incrementality solutions
• Preferred: Google Meridian, open-source measurement tools, API deployment, LLMs/AI agents, training non-technical teams