Dallas Innovates, Every Day: Here's what's new + next in North Texas. Brian Ralston has been promoted to executive vice president, chief mortgage banking officer at NexBank, the largest privately held bank based in Texas and a subsidiary of NexBank Capital Inc. Previously. Ralston was senior vice president of mortgage banking since 2013.... The post NexBank Makes Promotion to EVP, Chief Mortgage Banking Officer appeared first on Dallas Innovates.