Answer:
Jamestown was intended to become the core of a long-term settlement effort, creating new wealth for the London investors and recreating English society in North America.
The executive officer would be a County Clerk.
The County Clerk is a Constitutional officer who is elected every four years. He is responsible for keeping and maintaining records of births, deaths, assumed names etc. He is issuing and filing marriage licences, gun permits and notary bonds. He is also responsible for processing passports.
County Clerks can either be elected or appointed, depending on a particular state's law.