Westlake Village-based Move, which operates a number of real estate sites, including REALTOR.com, and Move.com, announced late Wednesday that the firm's President, Lorna Borenstein, is leaving the company. Move did not give a reason for Borenstein's departure, however, did say that new CEO Steven Berkowitz will take over Borenstein's duties. Berkowitz was appointed CEO in late January by Move's board of directors, replacing Michael Long, who retired from the firm. Borenstein had served as President of Move since May of 2007, after joining the firm from Yahoo. Current CEO Berkowitz is the former CEO of Ask.com.