Dr okemwa is a dental surgeon with a special interest in dental public health as he  believes  that prevention is the only sure way of taking care of oral health problems in our country. He  played a crucial role in the founding of the school of Dentistry . He  Spearheaded the development of the plan for starting the School of Dentistry-Moi University and the development of the 1st BDS curriculum.The pioneering role  also included Chairing the committee which planned and supervised the initial construction of the current building housing the School of Dentistry .

He has been been a  previous chair of department for over for  13 years .