Kaotitaake was born on 28 October 1979 in the village of Paelau, on the island of Tabuaeran in Kiribati.
[1] After briefly working as a teacher, Kaotitaake joined the Kiribati Ministry of Internal and Social Affairs (MISA), later named the Ministry of Culture and Internal Affairs (MCIA).
[4] In 2024, Kaotitaake ran for election to the House of Assembly to represent Tabuaeran, and won one of two seats (along with Matanga Aran), receiving 665 votes.
[5][6] He ran as a member of the Tobwaan Kiribati Party (TKP) which won a supermajority in the legislature.
[7] In September 2024, Kaotitaake was announced as one of four nominees for president in the October presidential election, along with three other members of the TKP (later two after Riteta Iorome withdrew) including incumbent Taneti Maamau, and Bautaake Beia.