This document provides an introduction to open educational resources (OER) presented by Robert Schuwer, a lector at Fontys University of Applied Sciences. It defines OER as digital learning materials that are freely available under open licenses allowing users five rights: reuse, rework, remix, redistribute, and retain. It outlines the benefits of OER including personalized learning and cost savings. It also discusses challenges to introducing OER such as findability, quality assurance, and developing sustainable business models. The presentation concludes with contact information for Robert Schuwer.