Gail Lozoff, a founding partner of popular SPIN! Neapolitan Pizza, will retire on July 1. Lozoff founded the restaurant with her husband Richard Lozoff and Edwin Brownell in 2005. Brownell will remain with the company as CEO. The fast-casual SPIN! Neapolitan Pizza grew from its initial location in Overland Park to 10 Kansas City area restaurants. Eventually, corporate franchises were also opened in Lawrence, Kan.; Dallas, Texas; Omaha, Neb., and…