Kenya District Officer Biwott entered government service in 1965 as the District Officer in South Imenti and Tharaka, Meru District (Jan 1965–66). As District Officer Biwott instituted, on a 'harambee' basis, community fundraising programmes to aid the development of local irrigation projects and roads, to build a health centre at Nkwene and schools at Nkubu and Kanyakine, develop employment at the Igoji quarries and promote the planting of coffee and tea. He was also actively involved in the resettlement of previously European owned land through the 'Land Transfer' programme, part of the 'Million Acres' scheme, and played a central role in the rehabilitation of the Mau Mau, many of whom still remained in the Mau Forest four years after the end of the 'Emergency', helping to persuade them to give up violence and organising the resettlement of many on to their own land. Ministry of Agriculture Having completed his master's degree in Australia in 1968, Nicholas Biwott returned to public service in the Ministry of Agriculture, GOK, Personal Assistant to Minister Bruce MacKenzie (1968–70). He coordinated cereal production, the marketing of cereal crops and the management of the Ministry's fertiliser policy, and helped develop research into new strains of wheat and maize more suited to the growing conditions in Kenya. He played a similar co-ordinating role for the Ministry's work with the East African Council of Ministers (MacKenzie was also a member of the council), guiding Kenya's policy in the region in the development of ports, railways and the East African Airways. Treasury In 1971 Nicholas Biwott moved to the Treasury as Senior Secretary under the Minister of Finance and Economic Planning, Mwai Kibaki. In 1972 he created and headed the External Aid Division and technical assistance program dealing with external resources, bringing in experts and arranging cultural exchanges. Notably he helped facilitate the establishment of the French School in Nairobi (now called the Lycee Denis Diderot), the French Cultural Centre with the Alliance de Francais, and the German Friederich Ebert Stiftung Foundation in co-operation with the Goethe Institut. Ministry of Home Affairs In late 1972 Nicholas Biwott transferred to the Ministry of Home Affairs on the personal recommendation of President Kenyatta to work with his vice-president and the Minister of Home Affairs, Daniel arap Moi. In 1974 Biwott stood as a candidate for the Keiyo South constituency in the general election of that year but was narrowly defeated. Following