Kennedy studied at the University of New Brunswick in Fredericton where he earned a Bachelor of Science before going on to earn his Doctor of Medicine degree from Dalhousie University in Halifax, Nova Scotia.
Kennedy served as a village councillor for Perth-Andover and was chairman of the District 31 School Board.
He was elected to the Legislative Assembly of New Brunswick in 1987 and re-elected in 1991, 1995, a 1997 by-election, 1999, 2003 and 2006.
He represented the electoral district of Victoria-Tobique until his defeat in the 2010 election and also practices medicine as a family physician.
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