One year ago, Catz and former co-president Mark Hurd were named joint CEOs of Oracle, replacing founder Larry Ellison, who remains executive chairman and CTO. While the timing (and structure) was unexpected, Catz has been groomed for the top job for years. Her responsibilities now include the manufacturing, finance, and legal divisions. Oracle remains strong in enterprise technology, bringing in $38.2 billion in its last fiscal year, though growth has waned as competitors such as Workday have emerged; profits in the same year fell 9%.