SAN ANTONIO, Texas--(BUSINESS WIRE)--#texasbanking--Vantage Bank today announced the appointment of Layne E. Nunes as EVP, Chief Treasury & Network Banking Officer. Nunes will oversee the new Treasury & Network Banking Division and will provide strategic leadership for Treasury Management, Treasury Operations, Network Banking and related customer-focused services. He brings more than 30 years of experience in commercial banking, treasury managem…