Suzi O'Brien has been involved with theatre for many years, and she has won many awards for writing , producing, and directing variety shows during that time.  She was also a choreographer. 

Suzi has been involved with Tops of the Town and Community Siamsa and is also a member of the Quarry Players Drama Group.  She has been with Richie Ryan's Centre Stage Drama School. 

Suzi first appeared with Changing Times in Last Tango in Sir Harry's Mall, and has also appeared in Last Tango in Little Grimley and Last Panto in Little Grimley, which played in Limerick City, Kilmallock and Carrick on Suir, Co. Waterford in September 2010.