Mónica Ballesteros

Mónica Ballesteros is a skilled data science professional currently serving as a Senior Data Science Consultant at Sia since October 2025. Prior to this role, Mónica worked as a Marketing Data Scientist at Europcar Mobility Group, where innovative Bayesian techniques were utilized to optimize Marketing Mix Models and conduct GeoLift studies for enhanced marketing strategies across European markets. Mónica's experience includes developing predictive models at IMI Hydronic Engineering to aid sales teams and improve project tracking efficiency, as well as optimizing customer retention campaigns during a tenure at Philip Morris International. The academic background includes a Master of Science in Mathematical Engineering from ENSTA and a Bachelor of Applied Science in Mathematical Engineering from Pontificia Universidad Católica de Chile.