Nick Friedrich likes to get in on the ground floor. After a decade in telecoms and banking in the southeastern United States, he joined a technology company in 2011 that was preparing to list on the stock market the following year. It was Facebook, and Friedrich ended up leading its small and medium business sales and operations in North America as he scaled its team tenfold. During the four years he was there, Facebook went from tens of thousands of advertisers generating sales in the tens of millions to more than one million advertisers bringing in revenues of one billion.…