Ochieng is currently the sub-Saharan Africa regional coordinator and editor for UK-based SciDev.Net. He is responsible for all editorial services, ensuring the delivery of news items relevant to sub-Saharan Africa on the SciDev.Net website.
Ochieng has attended and covered many events in different parts of the world, such as the West Africa Science Journalists Conference (WASJC), the United Nations Economic Commission for Africa, and the Uppsala Health Summit, which have allowed him to gain a thorough understanding of many issues in science journalism. They have also equipped him with a valuable skill set.
He has been a frequent speaker at various sessions at the WCSJ. In addition, he is a participant and trainer in workshops and meetings on subjects ranging from strengthening health systems in Africa to reporting on GM crops in Africa and Asia.
His milestones include winning the 2008 Reuters/IUCN Media Award for Excellence in Environmental Reporting for English-Speaking Africa and the Middle East. In 2007, he was the founding chairperson of the Kenya Environment and Science Journalists Association (KENSJA).
Ochieng is also the founding chairperson of the East African Network of Science Journalists (EANSJ) and a member of the Geneva-based Media21 Global Journalism Network.