Margit Wennmachers is a partner at Andreessen Horowitz (a16z) and is best known for her ability to create market-leading brands. Margit has launched more than 50 companies and 250 products, guided multiple IPOs, built profiles that resulted in 10 mergers and acquisitions and navigated crisis communications from ousted CEOs to website outages, patent lawsuits and personal tragedies. Margit is a16z's chief marketer, advising the firm and entrepreneurs on their communications and marketing strategies. Prior to joining a16a, she cofounded The OutCast Agency, which has partnered with companies including Amazon, Box, General Electric, Instagram, Lyft, Oculus, Spotify, and more. Margit also serves on the board of the World Affairs Council.