Seline is a lawyer currently pursuing her post graduate diploma at the Kenya School of Law. She has worked with a non-governmental organization known as The Cradle-The Children Foundation, under the Policy and Legislative Advocacy Programme which works towards mainstreaming child rights in legislation and development of laws and policies that are friendly to the child. She has also worked with the Kenya National Working Group- Supporting Access to Justice for Children and Youth in East Africa (SAJCEA) providing legal advice both at the court and children homes. She has been involved in policy development and drafting of parliamentary bills.