The cerebral cortex is the cerebrum 's (brain) outer layer of neural tissue in humans and other mammals.It is divided into two cortices, along the sagittal plane: the left and right cerebral hemispheres divided by the medial longitudinal fissure.n the human brain more than two-thirds of the cerebral cortex is buried in the sulci. The cerebral cortex is gray matter, consisting mainly of cell bodies (with astrocytes being the most abundant cell type in the cortex as well as the human brain as a whole) and capillaries.
Following a beta launch in the summer of 2010, Uber's services and mobile app officially launched in San Francisco in 2011. Initially, Ryan Graves was appointed as CEO, however, Kalanick replaced him in the role later that year. Graves stepped down to become the company's COO.
On Thursday, Oracle's Larry Ellison unexpectedly announced that he was stepping down from his CEO post and naming not one, but two CEOs to replace him. Co-president and CFO Safra Catz and co-president Mark Hurd will share the role of CEO.Oracle isn't the first major company to tap more than one CEO at the same time.Chipotle, Whole Foods, and Deutsche Bank are also run by two CEOs. Samsung even has three of them.erman companies Deutsche Bank and SAP both have two CEOs (though SAP co-CEO Jim Hagemann Snabe will step down to the supervisory board in May).