Customers Allege Unsuitability Against Santander Securities, Roberto Feria Cestero Roberto Feria Cestero (CRD#: 3266245, Hato Rey, Puerto Rico) is a prior Santander Securities LLC securities broker. He worked at the dually-registered brokerage firm and investment adviser firm from July 14, 2006 to October 14, 2016. Evidently, many investors have disputed Cestero’s sales practices. Specifically, the […]