“Rather than Jethro's conversion to Yahwism, therefore, [in Exod. 18] we are witnessing 'the first incorporation of the Israelite leaders into the worship of Yahweh'.

(p. 135)

(from 'The Midianite-Kenite Hypothesis Revisited and the Origins of Judah', JSOT 33.2 (2008): 131-153)”