He is a long jumper and he has represented Ghana in various events across Africa. Robert was the African Junior Champion in the year 2003 and he made it to the finals of subsequent African Athletics Championships in 2005, 2008 and 2010 (6th position).
From 2005 to date he has been the winner of the long jump event at the SESSA (Security Services) games. In 2006 he joined the national team for the 18th Commonwealth Games in Melbourne, Australia. From 2006 with a jump of 6.92m, he has progressed to a personal best of 7.87m which he achieved in Abidjan in April 2010. On the African scene he is the defending champion of the Brazzaville and Abidjan Grand Prix.
In 2011 he jumped 7.64m at the 2011 national championship in KNUST, Kumasi.