[4] In 2008, he won an individual bronze medal at the U17 World Championships in Acireale in Sicily.
In 2010, he was U20 UK National Foil Champion and reached the quarter finals of the World University Games in 2011.
[5] In 2012 he was the UK National Team Foil Champion and reached the quarter finals of the World University Games in 2013.
He competed in the Commonwealth Fencing Championships at Largs in November 2014, coming 3rd overall in the individual competition and 1st in the team event.
He represented Great Britain at the following events: [6] Husayn was a student at the University of Greenwich where he obtained an undergraduate degree in Mathematics.