APEX Analytix, a recovery audit and software firm that works with a variety of Fortune 1000 companies, has hired a new chief executive officer.

He is Michael Lustig, former president of PRG Schultz. From 1997 to 2000, Lustig helped Profit Recovery Group, as it was then called, increase revenues to over $300 million from $50 million.

APEX Analytix provides software that can detect and prevent billing errors.

APEX Analytix: www.apexanalytix.com