I have been regularly receiving lessons from Geert for over two years for my Internal Medicine differentiation track. Geert provides very pleasant and clear explanations of various facets in the field of internal medicine, which helps you understand the material (no matter how difficult it may sometimes be) much better. She answers all your questions in detail; nothing is too much trouble. The presentations are clearly described and contain all the information of importance. Geert’s passion for the subject shines through, and as a result, you receive a substantial upgrade to your internal medicine knowledge at a high level. I therefore find Geert’s lessons to be very enjoyable!