He is a regular contributor to the Standard, an East African daily newspaper based in Nairobi and to the Highway Africa News Agency at Rhodes University in Grahamstown, South Africa. He is a specialist in telecommunications with an interest in water and the environment. Mr. Ouma has also been a reporter for East Africa Business Week, a regional weekly newspaper published in Uganda, and has written for two Nairobi-based print magazines, telecoms and tele.com, where he began his journalism career. Mr. Ouma wrote for the Sunday Standard’s bizbytes, an information and communications technology magazine in Nairobi, until it closed in July 2008.