Atering Business structuring with Job Discretions and responsbilities

i would like of you to make
1catiring business structure
2plan for next 5 years
1-operation
2-organization
3-finantial
3-organization chart for the organization
4-job discretion for employees including there responsibilities

keep in mind that the organization have already
operation manager
executive chef
sue chef
deme chef
accountant
coordinator
waitress

those names does not match the business requirement there fore i would like to change the job title to which you see the best sutable to the caring business

i would like it to be realistic more than theoretic