. >> bloomberg contributing editor david kirk patrick and mike arner cory johnson. of silicon valley's top vcs are leaving to start their own funds. two women are stepping out on their own. ♪ >> this is the best of bloomberg west, i am emily chang. in a field dominated by men, two female venture capitalists are stepping up to start their own firm. cory johnson and i sat down with both of them to talk about why they launched the new firm. >> i think both jennifer and i felt like this is our entrepreneurial thing. it is like when you see a vision and you share it. we thought this is a great time in the market to be focused on seed and early-stage investing around mobility as a theme. to work with somebody that you have known for over two decades. >> was this a difficult decision for you, jennifer? >> no, i have been in the business for 17 years and it is a great opportunity and time. frankly, if not now, then when? we have been focused on our careers as apprentices and now game int the top of our our respective firms and we thought this is an opportunity for us to do

so mark was very passionate and actually once told an author, david kirk patrick that being anonymous on line was sort of a form of dupe policety seemed a lot more flexible. so something also he's considering as facebook turns ten. >> and other services like snap chat, you don't have to log in with your real identity. >> right. so going forward, if facebook is doing more of these aps, some of them won't even be branded facebook. some you could log on to anonymously. it basically a different strategy for a new platform showing a lot more flex combribblet around some of the orthodox use that they had in the past. >> one thing jumped out. he said it's important for me because i'm a really critical person i kind of see how i want things to be better and i'm generally not happy with how things are or the level of service or the quality of teams that we build. everyone is their own worst critic but you don't normally hear a ceo saying. >> you could kind of normally hear a silicon valley hear that. it's very much in the vain of a jeff bezos or steve job. always pushing the boundaries and wan