For students of Austrian Economics in the Spanish-speaking world, Instituto Juan de Mariana has recently posted a sizable number of lectures by Mises Institute Senior Fellow Jesús Huerta de Soto. Here is Lecture 1. The lectures take place over a period of several years. These appear to be full-scale academic lectures delivered in a university setting:
Mark Thornton is a Senior Fellow at the Mises Institute and the book review editor of the Quarterly Journal of Austrian Economics. He has authored seven books and is a frequent guest on national radio shows.