He was then appointed as the President of the Kelantan Islamic Religious and Malay Customs Council (MAIK) from 21 June 2009 to 18 March 2019.

[2] He received his complete education as follows: His PhD dissertation is about the transition between late antiquity and the early medieval period in north Etruria (400-900 AD).

The ceremony to present the letter of appointment as Tengku Mahkota Kelantan was held at Istana Negeri in Kubang Kerian on 18 October 2010.

[7] On 19 April 2019, Tengku Fa-iz married a Swedish citizen Che Puan Sofie Louise Johansson Petra at Istana Balai Besar in Kota Bharu.

[8] The couple's first child is a son, Tengku Muhammad Johan Petra, born on 17 July 2023.