The document summarizes a conference titled "Open Professional Collaboration for Open Classroom" held on November 9-10, 2017 in Kaunas, Lithuania. Over the two-day event, several speakers discussed topics related to professional development in the digital age, including the role of continuing vocational training, using open education resources, developing intercultural competences, business enterprises' competence needs, preparing vocational education for industrial digitalization, and implementing ECVET in vocational training systems. The conference aimed to discuss implications of digitalization on vocational skills demand and responses from vocational education and training systems.