Kiyan is the son of former Iran national youth team player and East Bengal legend Jamshid Nassiri.[2] His mother Suzanne hails from Shillong.[3] He grew up in Queens Mansion at Park Street. He was a student of St. James' School, where he led the school team to victory in the Debanjan Cup Interschool Tournament in 2015.[4]
Club career
Earlier career
Kiyan is the son of East Bengal legend Jamshid Nassiri.[5][6] He was always passionate about football and during his school days he was called up for the Bengal U14 camp in Kalyani in 2014. During the U14 camp in Kalyani, in which he made 5 appearances and scored 6 goals. He went on to play for the Mohammedan Sporting U16 I-league squad. During the 2017–18 season, he joined Calcutta Football Club,[7] and was the highest scorer in the league helping the team to promotion that season.
Mohun Bagan
In 2019, he joined Mohun Bagan to play for their U-19 side in the Zee Bangla Football League and was sent on trial for the senior team. Kibu Vicuna was impressed by his performance at 2019–20 pre-season trial in Goa and promoted him to the senior team.[8] He made his professional debut on 1 March 2020, by coming as a seventy ninth minute substitute against TRAU FC in a 3–1 win.[9]
Mohun Bagan
Following the merger of ATK and Mohun Bagan in 2020 to become Mohun Bagan, he signed a long term contract with the club and was included in senior squad for the 2021–22 Indian Super League season. Ahead of the team's inter-zonal semifinal match against Uzbek side FC Nasaf in the 2021 AFC Cup, Kiyan was called up in twenty-two member squad.[10] He debuted for the side against Nasaf.[11]