Engr Prof Obiazi is the first black to be elected into the Executive Committee of the Global Engineering Deans Council (GEDC). Participated and sometimes chaired GEDC and other Engineering Conferences in Nigeria, Ghana, Ethiopia, Morocco, South Africa, Australia, USA, Canada, France, Italy, China, India, Dubai. He was Chairman of the Nigerian Society of Engineers (NSE), Ekpoma Branch, 1997-2002, during which the branch won the NSE merit award as the most improved branch in Nigeria.