There are literally hundreds of interviews here in the vaults.
Some of my favorites:
Rafael Corrales of Learn Boost discussing angel fundraising and the “Party Round”
David Cohen of TechStars on his book “Do More Faster”
Jeff Bussgang of Flybridge on his book “Mastering the VC Game”
Avinash Kauthik on Using Data Analytics
Sean Ellis, Marketing for Fast Growing Startups like LogMeIn, Xobni, EventBrite, DropBox
Gabriel Weinberg of HackerAngels and DuckDuckGo