[2] Küçük was born in Nicosia in 1940 and graduated from the Faculty of Agriculture of the Ankara University in 1966, and then started to work at the State Hydraulic Engineering Bureau of Turkey.

Subsequently, he was industrial engineer at the Veterinary Office of Northern Cyprus between 1968 and 1973, before he became self-employed in the field of agriculture and livestock in the private sector.

In July 1976, he was appointed Minister of Agriculture in the first cabinet of Nejat Konuk and exercised this office in the subsequent governments of Osman Örek and Mustafa Çağatay until 1981.

[3] After the parliamentary elections of 6 December 1998, he was appointed in the Derviş Eroğlu coalition government and took office of Minister of Agriculture and Forestry and re-appointed in June 2001.

After the election of Derviş Eroğlu and led by Hüseyin Özgürgün transitional government, he was on 9 May 2010 chairman of the UBP and finally on 17 May 2010 also officially prime minister.