decision-maker

decision-maker — noun

1. A person whose job or position gives them the authority to choose what should be

1.nounB2
Definition

A person whose job or position gives them the authority to choose what should be done, especially in a business, organization, or government.

Example

Talia was the main decision-maker in the company's marketing team for over three years.

collocation: main decision-maker + in [team/domain]

When the school needed a new library, the decision-makers met to discuss the budget.

plural form: decision-makers for a group or committee

Common collocations
  • key decision-maker
  • senior decision-maker
  • top decision-maker
  • chief decision-maker
  • main decision-maker
  • decision-maker in [field / department]
  • decision-maker at [level / organisation]
Synonyms
  • chief

    emphasises the highest rank in a hierarchy rather than the act of deciding itself

  • executive

    specifically a senior manager in a business or organisation

  • leader

    broader term that includes guiding, inspiring, and representing, not just deciding

Antonyms
  • follower

    someone who carries out instructions rather than setting direction

  • subordinate

    lower rank in an organisation, typically receives rather than gives decisions

Grammar Patterns

[adjective] + decision-maker

decision-maker + in [domain]

Usage Note

The hyphenated form is standard in formal writing, though the open form 'decision maker' appears frequently in less formal contexts. This noun is commonly modified by adjectives such as 'key', 'top', 'senior', or 'chief' to indicate rank or importance. The plural 'decision-makers' is very common when referring to a group.

Common Mistakes

I am the decision-maker of what to eat for dinner.
I decide what we have for dinner.
'decision-maker' implies institutional or organizational authority, not ordinary personal choices.

Word family

Synonym discussion

Sense: noun/1

These four words overlap with 'decision-maker' but differ in scope and register. A 'chief' (e.g. chief of staff) emphasises the top of a hierarchy, while 'decision-maker' highlights the act of choosing. 'Executive' refers specifically to senior management roles in business and often implies formal authority over strategy and resources. 'Leader' is much broader — a leader may inspire and guide a team without necessarily having the final say on important choices. 'Manager' focuses on day-to-day supervision and operational control rather than high-stakes decisions. For example: 'The executives approved the merger, but the managers were focused on the transition plan on the ground.' Use 'decision-maker' when you want to zero in on the act or responsibility of deciding, regardless of a person's formal title.

chief ↗executive ↗leader ↗manager ↗

Common collocations

Phrases

  • key decision-maker at [organisation]
  • main decision-maker in [team/department]

Prepositions

Etymology

LatinOld EnglishEnglish

The word 'decision' goes back to Latin 'decidere', meaning 'to cut off' or 'to determine', formed from 'de-' (off) and 'caedere' (to cut). 'Maker' comes from Old English 'macian' (to make). The compound 'decision-maker' began to appear in English around the mid-20th century, when management theory and organisational studies created a need for a concise term to describe the person with authority to determine a course of action.