Born in Beirut, Lebanon, Shushan attended the Armenian Evangelical College from where she graduated. She received her B.S. in Biology and Teaching Diploma from Haigazian University.
She continued her higher education at the American University of Beirut and earned her Master of Science degree in Physiology in 2010.
Shushan is also a graduate of the Lebanese National Higher Conservatory of Music and an accomplished cellist. She is currently the cello instructor at Ecole des Arts Ghassan Yammine.
Since her teenage years, Shushan had started writing short stories and poems. She has published two book chapters and three scientific articles.
After the assassination of Hrant Dink in 2007, Shushan decided to write about her grandparents, who were survivors of the Armenian Genocide. Working on and off, she completed her book, My Grandparents' Odyssey: From Urfa and Germir to Beirut in 2016.