Elitzur Bar-Asher Siegal (PhD 2009, Harvard University), Joined the faculty of the department of Hebrew Language at Hebrew University in 2010 after being the lecturer in Semitics at Yale University. 

His areas of research: The history of the Semitic Languages (Hebrew, Aramaic, and Akkadian), Historical linguistics, formal semantics and typology. He also studies the history of the linguistic discipline using methodologies from the field of philosophy of sciences.

In recent years he mostly works on reciprocal constructions, causative constructions and constructions with non-argument datives, both from the semantic and the historical point of views. He also publishes in fields related to rabbinic literature and Jewish Studies more broadly.

Elitzur was a visiting professor at Harvard University and Yale University.