Robert T. Horst, a founding partner of Blue Bell, Pa.-based insurance law firm Nelson Levine de Luca & Horst, has left the firm to join Bucks County firm Curtin & Heefner.

Horst, who helped found Nelson Levine in 2000 and served as its managing partner from 2003 to 2008, will join the Morrisville, Pa.-based firm as a partner in its litigation section, focusing his practice on first-party property bad-faith work.