On 18 July 1981, Cook married Corina Shra Detudamo of the Uaboe District.

[1] Cook unsuccessfully ran to represent the Aiwo Constituency in the parliament of Nauru in 2008, as well as April and June 2010.

[2][3][4] In 2009, Cook was elected as president of the Nauru Weightlifting Federation.

[6][7] Cook was appointed by President Baron Waqa as Minister for Commerce, Industry & Environment, RONPhos, and the Nauru Rehabilitation Corporation.

[12] In August 2020, businessman Mozammil Gulamabbas Bhojani was convicted by an Australian court of bribing two Nauruan officials, Cook (in his capacity as minister for RONPhos) and RONPhos Chairman Trevor Bernicke, in exchange for favorable phosphate contracts between 2015 and 2017.