Rhea was born and raised in New York City. She gained a Bachelor of Fine Arts in dance and choreography at the Boston Conservatory of Music, USA and later a Master of Fine Arts, writing for stage and screen from the Lesley University, Boston USA.
Rhea is the Artistic Director of Dramafronten, a network of theatre professionals, with focus on text and writers, which she founded in 2009. Prior to that, from 1981 - 1995, she was Artistic Director of TEATER TANGO and from 1995 - 2001 writer and Director for Danish Television.
From 2012 she has been writing and directing numerous works, including "Gorilla", "Hitler on the Roof", "Summer", "The Boots of Stalin", "Goebbels' Lesson", "HoHo drama", "The Rosenbergs" and "Berlusconi the Musical". In 2017 she wrote "Viggo Mortensen doesn't live here anymore" for Team Teatret in Herning.