Learn English – Can the word “cooking” also be used to describe something that is “still in the process of being developed”

I would say the second definition is a metaphoric subdivision of the first: the meaning of the chain is extended to include steps that aren't one organism eating another, but rather one group of people processing organic material to pass it on to another group, and to the next, etc.

As to how to distinguish between the two, I think context will usually make the intended meaning clear: if you're talking about processed food for humans, it will usually be the second definition; if it is about a wild animal, it will be the first definition.

If you are referring to the person who creates a new business, founder is the proper term. A founder may or may not be the person who sets up the whole structure. With that respect you may refer to the managers who, following the guidelines of the founder or co-founders help to establish the whole enterprise.

Founder:

• The person who creates an organization or a company is known as the founder.

• As a noun, founder means "the beginner or originator of something." You might talk about the founder of a nation, the founder of club, or the founder of a website.

(vocabulary.com/dictionary/founder)