*Club domestic league appearances and goals, correct as of 14:25, 19 December 2018 (UTC) ‡ National team caps and goals, correct as of 13:45, 19 October 2019 (UTC)
Okello played his first game of the season on 28 September, against Soana FC at Phillip Omondi StarTimes Stadium, Kampala Capital City Authority (won 2–1).[8] He scored his first goal of the season against Onduparaka on 19 October at Green Light Stadium, Arua.[9] OKello played his last game of the season against Maroons FC on 4 May 2019, at Phillip Omondi StarTimes Stadium.[10] He played over 24 matches in the season. Kampala Capital City Authority became the league champions. OKello completed the 2018–2019 Uganda Premier League season with six goals.[11]
Paradou
On 21 January 2020, Okello signed a 3-year contract with Paradou AC.[12]
Return to KCCA as loan
On 20 September 2022, Okello signed a one-year loan contract with KCCA FC.[13] He went on to play 14 games for the club winning 6 Man of the match awards .
Vipers
At the end of the season, Okello made a controversial move to the rivals of his mother club Vipers SC in a deal worth $30,000, the news made rounds all over social media platforms where some KCCA fans called him Judas Escariot claiming that Okello had betrayed them.
International career
Under-20
Okello played for Uganda U20 during the COSAFA U-20 Tournament which was held in Zambia in 2017.[14] He made his debut on 6 December 2017, against Zambia U20 when he came in as a substitute replacing Pius Obuya at Arthur Davis Stadium, Kitwe.[15]
Under-23
Okello has played for Uganda U23 during the TOTAL AFCON U-23 Qualifiers.[16] He made his debut on 14 November 2018, against South Sudan U23 at Star Times Stadium Lugogo, Uganda U23 won the game 1–0.[17]
Senior
On 13 March 2019, Uganda head coach Sébastien Desabre invited Okello to be on the final team preparing for the final 2019 Afcon qualifying game against Tanzania.[18] However he made his senior national team debut against Somalia.[3]
International goals
Scores and results list Uganda's goal tally first.[3]
Born and raised in the northern town of Lira, Okello found his way to Kampala to study at the football power house Kibuli S.S following the death of his biological mother in 2012. Okello was born to Patrick Ojom (deceased) and Joan Agomu.[19]