Christy Muse, who served as Hill Country Alliance's executive director for 10 years, resigned from her position effective Feb. 1. Muse accepted a position as Shield Ranch's director of external relations. HCA's interim executive director, Katherine Romans, will head the group while a search is conducted for Muse's permanent replacement. The objective of the alliance, located at 15315 W. Hwy. 71, Bee Cave, includes preserving open spaces, water supply, water quality and the Texas Hill Country's unique character.