. >> ben horwitz is the cofounder and capital partner.has emerged as a note to -- go-to mentor for tech. one ofckerberg calls him the most important. his insight on founding, managing, and investing in companies is compiled in the new book called, " the hard thing about hard things." i am pleased to have been horwitz at the table for the first time. how can that be? >> i appreciate being here. >> mark has been here many times, as you know. >> he is always good. on the show. >> he is always good. so you described him as beyoncÉ and you are kelly rowland. >> i am kelly rowland to his beyonce. >> tell me about your background. what brought you to silicon valley? berkeley.up in my grandparents were communist. my grandfather is a colorful figure. he went from the left to the right. it was a different transition. i learned about computers and i was a kid. i thought they were going to do everything and change the world. if you are into computers, you end up in silicon valley. >> you just love them at first knowledge? >> i was always the kid that

. >> ben horwitz. the book is called "the hard thing about hard things." thank you for joining us.ee you next time. . . ♪ >> this is "taking stock" for monday, april 21. i'm filling in for pimm fox. bill cohen joins me. a revelation, not in the biblical sense, but every guest will be revelatory. edward snowden pass rush and have sparked numerous questions around the world. we will talk to an author that took an intimate and look at him and vanity fair this month. michael king will tell us why his new venture and boxing will be a revelation.