Mr. Dienami joined the Nigerian National Petroleum Corporation (NNPC) in 1991. Between 1992 and 1999 he studied at the Rivers State University of Science and Technology and received a Diploma in Petroleum Engineering Technology and a Bachelor of Technology degree in Computer Engineering. He started the Mid Town Environmental Pollution and Control Agency in 1999 which is now known as the Committee for Human and Environmental Development. This organization is aimed at tackling regional human and environmental problems. He was elected Chairman of the National Union of Petroleum and Natural Gas workers EPCL branch, NNPC in 1998. He has attended several leadership courses/conferences in Nigeria, South Africa and the United Kingdom. Dienami is a Fellow of the 21st Century Trust (UK) , a member of international organizations such as the Physicians for Human Rights, Oxfam America, Humanitarian Practice Network. He is also the author of a book titled " The Niger Delta Oil and Gas- Cooperating for Mutual Gains.

Panacea for True Democracy in Nigeria by Dienami Okorita