|Date of birth||3 February 1993|
|Place of birth||Federal Way, Washington, United States|
|Height||1.85 m (6 ft 1 in)|
|2008–2010||Washington Premier FC|
|2010–2011||Seattle Sounders FC|
|2011–2013||Wake Forest Demon Deacons|
|2012–2013||Seattle Sounders FC U-23||14||(6)|
|2014||Seattle Sounders FC||2||(0)|
|2014||→ Orange County Blues (loan)||2||(0)|
|2010||United States U18||6||(0)|
|* Senior club appearances and goals counted for the domestic league only and correct as of July 10, 2014.
† Appearances (Goals).
Born in Federal Way, Washington, Okoli was a part of the Seattle Sounders FC Academy before attending college at Wake Forest University in 2011. While playing for the Demon Deacons Okoli earned All-ACC honors in all three seasons he attended the college and scored 24 goals with 9 assists during his time there. While playing at Wake Forest, Okoli also played in the USL PDL with the Seattle Sounders FC U-23 side in 2012 and 2013. He was also one of the first Academy players to play for the Seattle Sounders reserve side in the MLS Reserve League in 2011.
Seattle Sounders FC
On January 9, 2014 it was announced that Okoli, along with fellow academy teammate Aaron Kovar, had signed a professional contract with the Seattle Sounders FC. He made his debut for the Sounders on March 8, 2014 in the teams Major League Soccer opener against Sporting Kansas City at CenturyLink Field when he came on in the 86th minute for Lamar Neagle. He then contributed to the teams winning goal in the 93rd minute as they beat Sporting KC 1–0.
- As of March 8, 2014
|Club||Season||League||MLS Cup||U.S. Open Cup||CONCACAF||Total|
|Seattle Sounders FC U-23||2012||USL PDL||10||4||—||—||—||—||—||—||10||4|
|Seattle Sounders FC||2014||MLS||1||0||—||—||0||0||0||0||1||0|
- Mayers, Josh. "Sounders sign homegrown players Aaron Kovar and Sean Okoli". Seattle Times. Retrieved March 8, 2014.
- "Sounders FC Signs Aaron Kovar and Sean Okoli". March 8, 2014. Retrieved Seattle Sounders FC. Check date values in:
- "Seattle Sounders 1-0 Sporting Kansas City (March 8, 2014)". Major League Soccer. Retrieved March 8, 2014.
- Sean Okoli profile at Soccerway