A specialist in classical Arabic literature, Dr Khalifa was awarded a PhD in Classical Arabic Literature from The School of Oriental and African Studies (SOAS) in 2003. Her thesis is entitled: The Art of Narration in al-Tanukhi's Compilations. She has also completed an MA from The University of Jordan in Amman with her thesis entitled: al-Jahizu naqidan Adabiyyan (Al-Jahiz as a Literary Critic).

Nouha was the Editor of The Journal of The Jordan Academy of Arabic from 1990-1997 and has taught classical Arabic Literature and Grammar at SOAS and Qur'anic Arabic at The Institute of Ismaili Studies as a visiting lecturer. She has a published an article entitled: al-Jahizu sha'ran (al-Jahiz as a Poet) and has translated and annotated al-Razi's interpretation of selected verses of the Qur'an to be published in a forthcoming volume entitled An Anthology of Qur'anic Commentaries.

Since joining The Institute of Ismaili Studies as a Research Associate with The Department of Academic Research and Publications (DARP) in 2003, Dr Khalifa has translated and annotated selections of the Nahj al-Balaghainfo-icon and taught a variety of courses in the Institute's Graduate Programme including: classical Arabic, Islamic text, and Qur'anic text. She is currently editing three epistles of Ikhwan al-Safa Wa Khillan al-Wafa and is editing and translating an Ismaili manuscript entitled al-Fatarat wa al-Qiranat of Ja'far b. Mansur al-Yaman. Since 2004, she is also a sessional lecturer at Birkbeck College, The University of London, teaching Qur'anic and Literary Arabic (classical and modern).