In a government, there are many policy makers, including the President and his advisers. In business, members of the board of directors may be the primary policy makers, but usually a policy maker refers to someone in politics. someone who sets the plan pursued by a government or business etc.

Who are official policy makers?

Official Policymakers:

Those involved in this category are the legislators, the executive, the administrators and the judiciary. Each of them performs policy-making responsibilities in a different way from the others.

Is policy makers one word?

Merriam-Webster Unabridged doesn't list “policy-maker” or “policymaker.” This may be taken to mean that MW considers it two words: “policy maker.” The American Heritage Dictionary, however, lists “policymaker” as one word, no hyphen.