Mattia Manica successfully completed the Coursera course "Regression Models" offered by Johns Hopkins University with distinction on January 08, 2015. The course taught students how to fit and interpret regression models, investigate residuals and variability, and use techniques like dummy variables, multivariable adjustment, and extensions to Poisson and logistic regression models. The course was overseen by Brian Caffo, Roger Peng, and Jeffrey Leek of Johns Hopkins Bloomberg School of Public Health.