I just watched this and last year editions of the Startup School event.Paul Graham held a talk in which he put a lot of details about the Startup companies and the people that are making them.Also I put links to some of the talks last year which have also interesting info on the topic.
Paul Graham’s Startup School talk 2007
Paul Graham’s Startup School talk 2006
Startup School 2006 Patents for the Startup featuring Atty. George A. Willman
Startup School 2006: Ann Winblad of Hummer Winblad VC
Startup School 2006: Page Mailliard,Wilson Sonsini;Mark Fletcher, Bloglines
Startup School 2006: The O’Reilly Radar, Tim O’Reilly
Startup School 2006: Om Malik of Business 2.0