Famous for her Premios TVyNovelas-nominated work in the Mexican soap opera Amigas y Rivales, she is also notable for her role as antagonist Rosalia Alamo in Pecado de Amor, as well as for her supporting roles in the telenovelas Piel; Mujeres Enganadas; Hasta Que El Dinero Nos Separe; and Dos Hogares.
She made her telenovela debut in 1989, portraying Zoraida in Rubi Rebelde.
In the late 1990s, she modeled for a New York-based cosmetics distributor.
She and her sister Raluka spent their early years in Bucharest, Romania. In her early adulthood years, Joana Benedek (born Roxana Joana Benedek Godeanu) lived and worked in both Venezuela and Mexico.
She and Angelica Rivera were both in the cast of the Mexican telenovela Angela.