[1] She studied at the Central School of Speech and Drama, London, and graduated from York University, Toronto, Canada with a Bachelor of Arts (Honours), and has multiple qualifications in vocal training and voice studies.
[5] Her professional training is in acting and voice production, which she also taught at the National University of Singapore.
[8] In considering her role in Doubt (2006), Richard Lord of Quarterly Literary Review Singapore wrote that her portrayal of Sister Aloysius was unsympathetic and led to the audience believing in the innocence of Father Brendan as played by Lim Yu Beng.
[9] When speaking of her award-winning role of Claire in Proof (2002), Daniel Teo of Inkpot Reviews praised her performance and her precision,[10] while Richard Lord of QLRS felt she exaggerated her character, but had shown better work in performance earlier that year.
[3] In 2003, Samosir was involved with Pulse (2003), an experimental series of 3 interlinked plays loosely based on an urban woman's diary.