Nadya Sadfi

Senior Data Analyst @Opella

Neuilly-sur-Seine, FR

I lead advanced analytics initiatives to support the Repeatable Model of Growth (RMoG) program and deliver actionable insights driving brand growth across international markets. Advanced Analytics & ModelingDesigned and deployed statistical models in R to optimize segmentation, weighting, headroom sizing, and brand drivers analysis.Integrated LLM-based approaches to synthesize qualitative feedback at scale, transforming unstructured data into sharp, business-ready insights. Data Visualization & Decision SupportBuilt and automated Power BI dashboards to track growth KPIs, highlight performance gaps, and identify brand opportunities at a glance.Developed repeatable frameworks enabling consistent, cross-market analysis of brand performance and consumer behavior. Strategic ImpactPartnered with cross-functional and international teams to translate complex datasets into clear business recommendations.Enabled senior stakeholders to prioritize growth opportunities, sharpen brand positioning, and accelerate decision-making.Core skills: R, Power BI, LLMs, Consumer Insights, Segmentation, Growth Analytics, RMOG, Healthcare Strategy, Data-Driven Decision Making.

ESSAIT

National Degree

Institut Préparatoire aux Etudes d'Ingénieur de Nabeul

Concours PREPA, Math - Physique

TTC PILOTAGE

Conduct of Meeting

Iceberg Agency

Merchandising & Marketing de distribution

TTC PILOTAGE

Management of time and stress

Stanford University

Practical Machine Learning

Taieb Mhiri School , Tunisia

Bachelor's degree, Mathématiques

Université Rice

Une introduction à la programmation interactive en Python ''en cours''