 Complete the following phrase:  Born in Machakos, he began running seriously around 2004 in the hope he could make a living out of the sport. Ndiku made his international debut at the 2007 World Youth Championships in Athletics, coming fourth in the 2000 metres steeplechase event. His technique was poor and his coach, Paul Mutwii, turned to Boniface Teren, the Kenyan national steeplechase coach, for help. Working with Teren, Ndikus technique over the barriers greatly improved and one year later he won the gold medal at the 