The Mountain Line is looking for a new CEO and General Manager. The agency announced Monday that Erika Mazza is stepping down for professional reasons. She has been with the Mountain Line for more than eight years and has served in the dual role as CEO and General Manager since October of 2018. Her last day will be February 21st. The NAIPTA Board of Directors is working on a succession plan and will name an interim General Manager and CEO soon, with a permanent placement coming later this year. The Mountain Line is the bus service that serves Flagstaff and surrounding areas.