CDA politicians that can be considered centrist or centre-left: Jack Biskop (MP), Ad Koppejan (MP), Kathleen Ferrier (MP; daughter of the late Johan Ferrier, president of Suriname 1975–1980), Dries van Agt (former Prime Minister), Ruud Lubbers (former Prime Minister) and Herman Wijffels (former chairman of the Social Economic Council, former informateur).