Marissa Mayer, one of the most prominent leaders in Silicon Valley, is currently the co-founder of Lumi Labs, a technology studio focused on the intersection of consumer media and artificial intelligence. Previously, Marissa served as CEO & President of Yahoo. At Yahoo, she led a full-scale transformation of the company -- rejuvenating its culture, hiring more than 5,000 people, growing users to more than 1 billion people worldwide with over 600 million users on mobile, and transforming Yahoo’s business by introducing new advertising offerings for mobile, video, native, and social that quickly grew into a multi-billion dollar business. During her tenure, she also oversaw nearly 50 acquisitions, the creation of more than $40 billion of shareholder value, and the successful sale of Yahoo’s operating business to Verizon. Prior to Yahoo, Marissa was a fixture at Google, where she joined as the 20th employee and first female engineer, and held numerous leadership positions including stints as an engineer, designer, product manager, and the EVP of Local, Maps, and Location Services. She currently serves on the board of directors of Walmart, and is a member of the board of trustees for the Lucile Packard Children’s Hospital, the San Francisco Museum of Modern Art, and the San Francisco Ballet.