Caldwell, Co-owner of Comfort Solutions, Passes Away

William M. Caldwell IV

William M. Caldwell IV

PACIFIC PALISADES, Calif.—William M. Caldwell IV, co-owner of Comfort Solutions, has died. He was 60.

Caldwell served as a board member for Comfort Solutions, formerly known as King Koil, for more than 20 years. Since 2006, he was also chief executive officer and chairman of Advance Cell Technology, a biotechnology company based in Santa Monica, Calif.

He is survived by his wife, Nancy; three sons; a step-daughter; a step-son; and Candace Smith, his sister who is also a member of the Comfort Solutions board.