Umar Sheikh Tahir is a researcher on Islam in the West, currently a Ph.D. student at the department of Middle Eastern, South Asian, and African Studies (MESAAS), Columbia University, and interested in the Post-Classical Islamic intellectual history of West Africa: Scholarship, Heritage and Manuscripts. A founder of Qadat al-Fikr Foundation in Nigeria who holds the Chief Missioner position, a member and representative of Shaykh Dahiru Islamic Foundation in Quranic Curriculum Committee of Niger State Almajiri Integrated Government Schools Project, an Imam and a teacher of Quran in Karofi Jumaat Mosque and a member of Imams forum Bauchi state.  Umar is an academic working at the department of Islamic studies Bauchi State university, Gadau, and has published 6 academic peer reviewed papers, among which: Islamic spirituality: Adhkār al-Tarbiyah in Tijjāniyah Tradition; a Spiritual Journey to God. Umar holds his first degree from al-Azhar University in Creed and Islamic philosophy and he accomplished a Master of Usuluddin at the University of Malaya, Malaysia, where he worked on Islamic intellectual history in the Medieval Ages. He samples Aristotelian logic inclusion into Islamic theology.