Josh is a partner at Greylock.  He joined the team in 2011 and invests in entrepreneurs building new consumer products and services. His areas of focus include social networks and platforms, mobile apps, new media, and connected devices.  Josh specializes in designing, building, and scaling consumer products, having been part of multiple companies that have grown to over 100 million users. Before joining Greylock, Josh spent 15 years in product and engineering roles at leading companies in social, commerce, and media. Josh was the product lead for growth and relevance at Twitter, growing Twitter's active user base by nearly 10x. Prior to Twitter, Josh worked on the platform at Facebook and led the launch of Facebook Connect. Earlier in his career, Josh was an early employee at LinkedIn and helped establish early models for user growth and launched the first version of LinkedIn Jobs. Josh also held roles leading product management for Zazzle, and leading product and engineering for RealJukebox and RealPlayer at RealNetworks. Josh currently serves on the boards of Medium, Jelly, and SmartThings. Josh also works closely with our investments in Nextdoor, Whosay, and Path.