The head of Cooper Aerobics died on Wednesday after a 9-month-long battle with cancer.

What we know: Cooper Aerobics said its president and CEO, Dr. Tyler Cooper, had been battling acute myeloid leukemia.

What they're saying: "This loss is felt deeply by the entire Cooper Clinic/Cooper Aerobics team, and our hearts go out to Tyler's wife, Angie and their three children, Dr. & Mrs. Kenneth Cooper and his sister Berkley and her family," the company said in a statement.