Josh McFarland is a founder-turned-investor at Greylock who built TellApart from inception to a $150M+ revenue business acquired by Twitter, then served as Twitter's VP of Product overseeing the platform's core user experience. He focuses his investing and advice through the lens of the second five years of company building, drawing from his experience scaling data-intensive businesses and his practitioner-level expertise in executive hiring and blitzscaling strategies. Josh McFarland is a founder-turned-investor at Greylock who built TellApart from inception to a $150M+ revenue business acquired by Twitter, then served as Twitter's VP of Product overseeing the platform's core user experience. He focuses his investing and advice through the lens of the second five years of company building, drawing from his experience scaling data-intensive businesses and his practitioner-level expertise in executive hiring and blitzscaling strategies.