Benioff’s guide to upselling VISIBLE from nearly every corner of San Francisco and from up to 30 miles away, the new skyscraper that will be the headquarters of Salesforce, a software giant, stands 1,100 feet (326 metres) tall, making it the highest building in America west of Chicago. On January 8th, after four years of building, workers will start moving in. Those who know Salesforce’s founder, Marc Benioff, find his firm’s new digs fitting.