decision-maker deˈcision-ˌmaker noun [countable] JOBS
someone with a high rank in a company or government who has the authority to make important decisions:
• The issue will be decided by the corporation's key decision-makers.
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decision-maker UK US noun [C]
► a person who decides things, especially at a high level in an organization: »
She faces long hours and extreme pressure in her position as the top decision-maker in the company.
decision-making noun [U]
► »
Most investors use the internet as part of their decision-making process.
Financial and business terms. 2012.