OTTAWA, Ont. — Dynamex Canada has announced its president passed away Sunday due to complications following heart surgery.

“All of us at Dynamex Inc. are deeply saddened by the death of our friend and colleague, James R. Aitken, president Dynamex Canada, who died Sunday, April 12, 2009 in Ottawa Canada from complications following heart surgery,” the Dynamex board of directors said in a statement. “He was 48 years old and a resident of Ottawa, Canada. During the coming days, our thoughts and prayers are with the Aitken family.”

Aitken served as president of same-day transportation and logistics provider Dynamex Canada since March, 2004. He’s been with the company since 1988.