the Institute of Directors
 /ði ˌɪnstɪtjuːt əv dəˈrektəz/,  /ði ˌɪnstɪtjuːt əv daɪˈrektəz/
  /ði ˌɪnstɪtuːt əv dəˈrektərz/,  /ði ˌɪnstɪtuːt əv daɪˈrektərz/
- a British organization for business people, especially company directors and senior people in industry. It was established in London in 1903.