Umaru Musa Yar'Adua (born 16 August 1951), also known as Alhaji Umaru Musa Yar'adua, is the 2nd President of Nigeria's Fourth Republic . He served as governor of Katsina State in northern Nigeria from 29 May 1999 to 28 May 2007. He was declared the winner of the controversial Nigerian presidential election held on 21 April 2007, and was sworn in on 29 May 2007. He is a member of the ruling People's Democratic Party (PDP).

Yar'Adua was born into an aristocratic Fulani family in Katsina; his father, a former Minister for Lagos during the First Republic, held the royal title of Mutawalli (custodian of the treasury) of the Katsina Emirate, a title which Yar'Adua has inherited. He started his education at Rafukka Primary School in 1958, and moved to Dutsinma Boarding Primary School in 1962. He attended the Government College at Keffi from 1965 until 1969 and received a Higher School Certificate from Barewa College in 1971. He attended Ahmadu Bello University in Zaria from 1972 to 1975, attaining a BSc in Education and Chemistry, and then returned in 1978 to achieve an M.Sc Degree in Analytical Chemistry.

Yar'Adua's first employment was at Holy Child College in Lagos (1975-1976). He later served as a lecturer at the College of Arts, Science and Technology in Zaria, Kaduna State, between 1976 and 1979. In 1979 he began working as a lecturer at College of Art Science, remaining in this position until 1983, when he began working in the corporate sector.