Kimberly Planck assumed the position of assistant general manager at the Ameristar Black Hawk Casino in Black Hawk, Colo. In this capacity, Planck will work with the general manager on property operations, including the construction of a 536-room, 33-story hotel tower to open the second half of 2009. Planck previously served as vice president of casino operations at Ameristar Black Hawk. Before coming to the Black Hawk property in March 2005, Planck served at Ameristar’s corporate office in Las Vegas as corporate director of slot operations.