Designation - Partnership

What would be the correct designation to a person in a partnership company (ITES COMPANY) who performs the following work:-
1. Client interaction.
2. Team handling - operations.
3. Day to day reporting to partners of the company.
4. Taking care of production on daily basis.
5. end to end process from client interaction to Payments from client.
6. Project Handling - ( a partially technical)

Dear
i donot know whether for IT or ITES
but still you can designate as
1. Head operations,
2. DGM/GM Operation
3. Unit Head
4. Works Manager
5. Lead operation/Tech Lead Operations

What would be the correct designation to a person in a Private Company (Chicken Hatchery & Breeding) who performs the following work:-
1. Customer interaction.
2. Team handling - Productions & Operations.
3. Day to day reporting to M.D of the company.
4. Taking care of production on daily basis.
5. End to end process from Customer interaction for Payments.
6. Project Handling - ( a partially technical)[/COLOR]

I think you may designate him as
work Associate
Worker
Marketing executive
customer representative
All in All person

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