Mariani has an architecture education background from Pelita Harapan University. She was an interior designer at BD+A Design in 2003, providing interior design works for many Telkomsel’s GraPARI outlets. Mariani went on to join the project development division at Jababeka Development, Cikarang, as a planner. In 2008, she finished her masters degree at Tarumanegara University in Urban and Real Estate Development Program.
She then helped Cushman & Wakefield Indonesia in several projects, before moving to Bali in 2009 for MOhome property as Business Development. She has been with RES Advisory for numerous projects since 2011.