Sultan Sooud Al Qassemi is one of the best known social media operators who played a key role in the momentous events which have re-cast the Middle East over the course of the past two years. He is one of the best connected Twitter users both within the region and without and is regularly ahead of the game on emerging trends.
I've corresponded with him every now and again during that time and, despite having 148,000 followers to his name, have always received friendly responses.
Here in the West there have already been lots of seminars and debates on the role of social media throughout the events which were ignited by a self immolation in Tunisia but many have not actually featured any of those who were actually using the media directly.
So here's a brief talk he gave to students at NorthWestern University last night in Chicago, Illinois.