Seven times Ashiru was Nigerian Taekwondo champion in the light and welter weight categories and won a silver medal at the 4th All Africa Games in Kenya in 1987.
George Ashiru is also an International Referee by the World Taekwondo Federation as well as a graduate of the Kukkiwon Foreign Masters Training Course, 2012.
In December 2012 he was "Outstanding Achievement" Awardee of the Korean Ambassador to Nigeria and was in the same period appointed the continental director for Africa by the Official Taekwondo Hall of Fame.
In 2014 he was appointed by the Honourable Minister of Sports in Nigeria as a member of the National High Performance Task Team.
George Ashiru was appointed the international technical advisor of the Sierra Leone Taekwondo Association in 2018.
In February 2022 he was promoted to 9th degree black belt by the World Taekwondo Jidokwan Federation, based in Seoul, Korea.
In 1997 he led a delegation of business men members of the Nigerian American Chamber of Commerce (Kaduna) to the World Trade Expo, in Detroit, USA.
One of George's keen activities is mentoring emerging leaders and giving inspirational talks, to youths, government personnel and the general citizenry, on personal development, entrepreneurship, and nation building.