Cristian Martinez is a Lead Data Scientist at OLX Group, where he focuses mainly on search and recommender systems. His work sits at the intersection of machine learning and online marketplaces, where the goal is helping people find what they are looking for among millions of listings.

Cristian has been working for more than a decade in different companies solving business problems with machine learning. That long track record across organizations has given him practical judgment on moving models from prototype to production and on aligning machine learning work with real business outcomes.