http://ecorner.stanford.edu/podcasts.html
Talks have been given by some of the same people (including Marc Andreessen, Aaron Levie, Reid Hoffman, and Marissa Mayer) and many others.
This talk on negotiation is one of the best lectures I've ever heard and I've recommended it to people dozens of times:
http://ecorner.stanford.edu/authorMaterialInfo.html?mid=1573