After Harvard Business School, he managed the family concrete construction company. In 1970 he started his own such business from which he retired three years ago, turning it over to his son, Rich.
He was a lay leader of a Unitarian Universalist Church that his parents helped found. It was there in 1980 that he met his wife, Mimi, who was the head of a school for the learning disabled.
Mimi brought two children to the marriage. In 2013, Don and Mimi became guardians to then 6-year-old granddaughter Eliza.
Don is survived by Mimi; children Rich ’89, Maria ’88, and Anne; several grandchildren; and one great-grandchild.