Philipp Hager is joining the IRLab to work as a PhD student, supervised by Maarten de Rijke. Philipp will work on online/offline evaluation in the context of large-scale recommender systems, as a member of the Mercury Machine Learning Lab, a collaboration between Booking.com, Delft University of Technology, and the University of Amsterdam.
![](https://irlab.science.uva.nl/wp-content/uploads/2021/04/welkom.png)