FTA: “I was told the conversion [of Toptal into a corporation] would happen in a number of months,” said Aaron Diek, who is based in central Texas and says he worked for Toptal in 2014 and 2015, when Toptal said it was generating $80 million in revenue per year. “I asked on a number of occasions, and the answer [from Du Val] was always ‘it’s coming, it’s coming.’