Professor Anthony Long of Berkeley College is perhaps the foremost expert on Stoicism in academia today. In the second part of this talk, he further explores Marcus Aurelius' ideas of the self, identity and God. If you're interested in Stoicism in modern society, and how people try to use it today, check out my book, Philosophy for Life and Other Dangerous Situations:

http://www.amazon.co.uk/Philosophy-Life-other-dangerous-situations/dp/1846043204/ref=sr_1_1?ie=UTF8&qid=1333383112&sr=8-1