What is C-level?

C-level is an adjective used to describe high-ranking executive titles within an organization. C, in this context, stands for Chief. C-level titles include (among many other possibilities):

• CCO (Chief Compliance Officer)
• CEO (Chief Executive Officer)
• CIO (Chief Information Officer)
• CFO (Chief Financial Officer)
• CKO (Chief Knowledge Officer)
• CSO (Chief Security Officer)

Traduzi como "Diretoria", cargos de nível C

Fonte: http://searchcio.techtarget.com/sDefinition/0,,sid182_gci1271029,00.html