Denis M. MacEoin (born 1949, Belfast, Northern Ireland) has been editor of Middle East Quarterly since June 2009. A former lecturer in Islamic studies, his academic specializations are Shi‘ism, Shaykhism, Bábism, and the Bahá'í Faith, on all of which he has written extensively. MacEoin is also a novelist, writing under the pen names Daniel Easterman and Jonathan Aycliffe. He and his wife live in Newcastle upon Tyne in northern England.