Finn earned a reputation as a solid businessman and became increasingly involved in a variety of business ventures. In addition, he spent much time in a public-service capacity, serving on the Atlantic Provinces Economic Council and the ECONOMIC COUNCIL OF CANADA, was president of the University of Moncton and was active in Acadian and New Brunswick community groups. His service to his people and province was rewarded with membership in the Order of Canada. Upon his retirement in 1987 he was appointed lieutenant-governor of NB, the second person of Acadian descent to be so honoured. He served in this capacity until 1994.