This document summarizes a presentation given by Chrissi Nerantzi exploring collaborative learning in an open professional development course for teachers in higher education called FDOL. The presentation discussed insights from learners in the FDOL course, benefits and challenges of collaborative learning. It provided an overview of the FDOL course structure and findings from initial surveys of participants that highlighted values of collaboration, flexibility and peer learning. Preliminary thematic analysis of interview data with FDOL participants revealed themes of commitment, cultural diversity, challenges of time management and technology, and value of small group work and facilitator support.