C 1997 года по 2001 год — Вице-президент Ганы.
Публикации
Миллз опубликовал десятки публикации, включая:
- Exemption of Dividends from Income taxation: A critical Appraisal (1977)
- Ghana's Income Tax laws and the Investor. (Межфакультетская лекция, опубликованная Университетом Ганы, 1978)
- Report of the Tax Review Commission, Ghana, parts 1,2&3 (1977)
- A History of Four Footed Beasts (1977)
- Taxation of Periodical or Deferred Payments arising from the Sale of Fixed Capital (1974)
