Alex Papadimoulis - ugly code https://www.youtube.com/watch?v=TBLmPdvOPeE Tim Hemel - Secure software development https://www.youtube.com/watch?v=OjVec7hf6ys Martijn Rutte - Integration with Jenkins https://www.youtube.com/watch?v=iYRm85uyFkU Jan Piet Mens - Ansible https://www.youtube.com/watch?v=AQT0TgZv5AQ Ger Apeldoorn - Puppet https://www.youtube.com/watch?v=Q-2UfPn1jy0