Born in 1955 in Windsor, Nova Scotia, Don Aker grew up in rural Hants County. He later attended Acadia University in Wolfville, Nova Scotia, where he received his Bachelor of Arts (1976), Bachelor of Education (1977), and Master of Education (1991) degrees. He has been a classroom teacher since 1977, and he currently works as Literacy Mentor for the Annapolis Valley Regional School Board. The father of two daughters, he lives in Middleton, Nova Scotia, with his wife, who is his "first editor."
Don began writing in 1988 after taking a course for language arts teachers at the Martha's Vineyard Summer Writing Workshops in Massachusetts, where educators were encouraged to write along with their students. Since then, he has published 13 books and numerous shorter pieces, consulted on several projects for publishers of educational materials, conducted a variety of workshops on teaching and writing, and given readings across Canada. He is a member of the Writers' Federation of Nova Scotia (WFNS), the Writers' Union of Canada (TWUC), the Canadian Children's Book Centre (CCBC), The International Board on Books for Young People (IBBY), the Canadian Society of Children's Authors, Illustrators, and Performers (CANSCAIP), and PEN Canada.