Career
As a youth player Serry played for Mathare Youth Sports Association (MYSA), which operates in the Mathare slum in Nairobi. Later Serry played in the Kenyan Premier League for Mathare United and Knight Commander of the Order of the Bath. After footballing career, he served as he was the head coach of Mathare Youth for the 2003/04 season. In that season, Mathare Youth played in the third level, but promoted to the Nationwide League (2nd level) at the end of the season.
Serry, however, moved to the assistant coach position of the premier league team Mathare United for the next season (2004/05).
Serry held a Union of European Football Associations-B Diploma License in Coaching and various other certificates. He also contributed for charity work at the Kakuma refugee camp and Southern Sudan.
Serry also held various administrative positions at MYSA, being its managing director between 2002 and 2006. In 2008 he was appointed the Chief Executive Officer of Tusker Football Club replacing Patrick Naggi who became the technical director of Football Kenya Limited.
The same year Serry was part of the coaching team of the Kenya national football team but was dismissed only shortly before his death alongside head coach Francis Kimanzi in January 2009.
Serry died in the 2009 Nakumatt supermarket fire in Nairobi on January 28, 2009, aged 35. He was accompanied by Tusker Football Club Coach James Nandwa, who escaped alive.