Complex sentence: From 1971 to 1982, he was President of Harlequin Enterprises Limited from 1982 to 1990 "The Merchants of Venus-Inside Harlequin and the Empire of Romance" Paul Grescoe, Raincoast Books, Vancouver, 1996 he served as Chairman.
Split into simpler sentences: From 1971 to 1982, he was President of Harlequin Enterprises Limited. From 1982 to 1990 "The Merchants of Venus-Inside Harlequin and the Empire of Romance" Paul Grescoe, Raincoast Books, Vancouver, 1996 he served as Chairman.