Sabet is in the middle of some of the most interesting companies on the Web today including Tumblr, Twitter and Boxee. And as you can see from his last time on the show, he’s a great guest. Last time we talked about everything from investing in Africa to why Boston is struggling to get its startup mojo back.
What do you want to know? Send your questions to askavc(at)techcrunch(dot)com. Feel free to check out his blog to come up with some good ones.