Peter Kaberia Nkubitu was born on 22 November 1965 at Kaibu Village, Kiegoi Location. He took his primary school education at Mpurine Primary School from 1974 to 1980.

Peter did his O-Levels at Meru school in 1981 to 1984. He proceeded to do his A-Levels from 1984 to 1986 in Meru School. He passed and joined the University of Nairobi in 1987 where he pursued a degree in Bachelor of Arts. He graduated in 1990. He later took an M.A in Linguistics and African Languages at the University of Nairobi from 1992 to 1993.

Peter joined Esso Kenya Limited where he worked from 1994 to 1998. After 4 years in the company, he joined another oil company, Mobil Oil Kenya Limited where he worked for ten years. He has also worked for Millenium Dealers Limited and Africa Fuels & Lubricants Kenya Limited for a combined 9 years. Subsequently, Peter pursued self-employment.

Peter Kaberia is married and is a father of four children. He was elected the National Treasurer for Party of National Unity (PNU) on 28th October 2016. Peter Kaberia is the acting PNU Executive Director since January 2017. He was named as H.E Peter Munya’s running mate on 19th May 2017.