Mariana Petre has extensive experience in administrative and managerial roles, primarily within the transportation sector. Currently serving as a Member of the Board of Directors at SC METROREX SA and as a Process Coordinator at ADI TPBI, Mariana also holds a pensioner status at Metrorex while being a Board Member there since February 2023. Mariana's prior roles include Commercial Director and Head of the Commercial Service at Metrorex, where responsibilities included overseeing marketing, sales, and client relations for a workforce of approximately 700 employees. Mariana's career also featured roles in information technology and programming, with a foundational background in economic planning and public management, supported by degrees from Academia de Studii Economice din București and University POLITEHNICA of Bucharest.