The president is a common title for the head of state in most republics.
In politics, president is a title given to leaders of republican states.
The functions exercised by a president vary according to the form of government.
Sales Directors are high-level executives whose roles in the companies they work for entail crafting national or international sales plans
and He supervising regional sales managers to ensure that they are leading and mentoring their teams successfully.
The chief financial officer (CFO) or chief financial and operating officer (CFOO) is a corporate officer primarily responsible for managing the financial risks of the corporation.
This officer is also responsible for financial planning and record-keeping.
CTO is the highest technology executive position within a company and leads the technology or engineering department".
CIO focused on the information technology and the CTO focused on the core company and other supporting technologies.