Gabriels was appointed at the helm of Banca Comerciala Carpatica in February this year.
Previously, Gabriels served as CEO of RBS Romania, a unit of Royal Bank of Scotland Group plc.
Banca Comerciala Carpatica reported a net profit of 25 million lei () in 2012, versus losses a year earlier.
For 2013, the bank estimates a net profit of RON33.7 million, up 34.8% on the year.
Banca Comerciala Carpatica is 46%-owned by local businessman Ilie Carabulea.
At around 2:10 pm Thursday, the bank traded up 1.01% at RON0.05 a share in Bucharest, amid a declining market.