Dr. Jull is a Professor of Geosciences at the University of Arizona, and is Director of the NSF-Arizona AMS Facility.

A British native, he trained in chemistry at the University of British Columbia and in geochemistry at the University of Bristol, with postdoctoral studies at Bristol, the University of Cambridge, and the Max-Planck-Institut für Chemie at Mainz, Germany.

He is the editor of journal Radiocarbon and the new editor of the journal Meteoritics and Planetary Science