He held two important ministerial posts, Minister of Finance (1963–68 and 1969–74) and Minister of Trade and Industry (1955–65 and 1970–72) as well as several other high-ranking governmental posts.
Zastával dva ministerské posty, ministra financí (1963–1968 a 1969–1974) a ministra průmyslu a obchodu (1955–1965 a 1970–1972), stejně jako jiné významné vládní funkce.