Maximizing a churn campaign profitability with cost sensitive machine learning, Big Data Analytics Summit, August 26, 2017, Lima, Peru [paper]

Classifying Phishing URLs Using Recurrent Neural Networks, IEEE APWG Symposium on Electronic Crime Research (eCrime), May 25, 2017, Scottsdale, USA [paper]

Tutorial - Practical Machine Learning with Python,, February 10, 2017, Bogota [Notebooks]
Demystifying Machine Learning,, February 10, 2017, Bogota [Notebook]


Fraud Data Science, Mexican Banking Association Summit, September 2, 2016, Mexico City

Modern Data Science, Big Data Summit, August 19, 2016, Lima, Peru

Advanced Fraud Detection using Data Science, Analytics Forum Universidad de los Andes, April 4, 2016, Bogota, Colombia.
Example-Dependent Cost-Sensitive Fraud Detection using CostCla, PyCaribbean, Feb 21, 2016, Santo Domingo, Dominican Republic [slides]


Fraud Detection with Cost-Sensitive Predictive Analytics, Business Analytics in Finance and Industry, December 4, 2015, Santiago, Chile

Fraud Analytics, Big Data Science Bogota Meetup, September 24, 2015, [video] [slides]
PhD Thesis: Example-Dependent Cost-Sensitive Classification, University of Luxembourg, September 15, 2015, [paper]

Example-Dependent Cost-Sensitive Credit Scoring using CostCla, PyData Berlin, May 30, 2015, Berlin, Germany [video] [slides]
Ensembles of Example Dependent Cost-Sensitive Decision Trees, April 28, 2015, Luxembourg [paper] [source code]

Do we Need Hundreds of Classifiers to Solve Real World Classification Problems?, DataScience Luxembourg Meetup, March 4, 2015, Luxembourg [webapp] [source code]


Fraud analytics: detección y prevención de fraudes en la era del big data, ASOBANCARIA - VIII Congreso de prevención del fraude, October 3, 2014, Bogota, Colombia [video]

Maximizing a churn campaign’s profitability with cost sensitive predictive analytics, SAS Analitics Conference, June 4, 2014, Frankfurt, Germany

Advances in Machine Learning for Credit Card Fraud Detection, May 14, 2014, Lisbon, Portugal [slides]
Example-Dependent Cost-Sensitive Credit Card Fraud Detection, March 21, 2014, Leuven, Belgium

Example-Dependent Cost-Sensitive Credit Scoring, DataScience Luxembourg Meetup, February 5, 2014, Luxembourg [slides]

2013 -

Analytics - compitiendo en la era de la informacion, October, 2013, Bogota, Colombia

Data Analysis for Credit Card Fraud Detection, European Conference on Data Analysis, July 11, 2013, Luxembourg [slides]
Credit Card Fraud Detection: Why Theory Doesn't Adjust to Practice, SAS Analytics Conference, June 2, 2013, London, UK [video]

Advanced Analytics through the credit cycle, SAS Analytics Conference, October 20, 2011, Orlando, US