Mr Wanjala was an aspirant for the parliamentary seat of Budalangi in the 2013 elections but unfortunately lost to Ababu Namwamba. He made his comeback in the 2017 general elections as member of parliament aspirant on an ODM party ticket after ditching the Jubilee party. He managed to unseat Ababu Namwamba after being elected as the Member of Parliament for Budalangi constituency. He was also the Member of Parliament for Budalangi from 1998 to 2007 on a National Rainbow Coalition (NARC) ticket. Mr Wanjala served as an Assistant Minister of Water and Irrigation of the cabinet from 2005 to 2007. Before venturing into politics, Raphael was a self-employed teacher. Raphael Wanjala was born on 23rd June, 1964. He is married to Joyce Akinyi.