Complex sentence: Waronker formed Desert Mountain Land Holdings LLC, a land bank in Scottsdale, Arizona which purchases vacant land and investment property in the Southwest USA, specifically Arizona, Nevada, New Mexico, Utah, Texas and California.
Split into simpler sentences: Waronker formed Desert Mountain Land Holdings LLC, a land bank in Scottsdale, Arizona. The company purchases vacant land and investment properties in the Southwest USA, specifically in Arizona, Nevada, New Mexico, Utah, Texas and California.