David Martínez

David Martínez is a skilled Data Scientist currently working at Tul since July 2022, where significant contributions include optimizing recommendation algorithms and developing a machine learning model to combat chargeback fraud, leading to substantial revenue protection and growth in product engagement. Prior to this role, David served as a Business Intelligence Analyst at Tul, analyzing competitor data and creating dashboards to enhance decision-making processes. David also held the position of Pricing Analyst at Habi, focusing on data analysis for real estate properties across Colombia, and worked as a Business Intelligence Analyst at Claro Colombia, where report generation and data management were key responsibilities. David holds a Bachelor’s degree in Business Administration from Universidad Externado de Colombia, completed in 2021.