Karim is a Research Associate at the IIS-Ismaili Special Collections Unit (ISCU). He completed his BA and MA in Persian Literature from Ferdowsi University of Mashhad, Iran, in 1999 before pursuing a Graduate Program in Islamic Studies and Humanities at the IIS (GPISH, class of 2004). He acquired an MPhil in Islamic and Middle Eastern Studies from University of Cambridge. After graduation, he taught Persian at the graduate programmes of IIS and AKU-ISMC (Aga Khan University–Institute for the study of Muslim Civilisations).

In 2014, Karim joined the IIS-Ismaili Special Collections Unit (ISCU), cataloguing Persian manuscripts at the Aga Khan Library which will be published in two volumes. In 2018, he obtained his PhD on ‘Qiyama in Ismaili History: A Study on the Proclamation of Resurrection and its Historical Context’ from SOAS. He is currently working on editing and translating a number of new Persian Ismaili texts from the Alamut and later periods of Ismaili history. He also works with the Department of Graduate Studies involving teaching and supervision. Karim obtained Fellowship of the HEA in 2021 from University of Middlesex.