james innell packer (july 22, 1926 – july 17, 2020), usually cited as j. i. packer, was an english-born canadian evangelical theologian in the low-church anglican and calvinist traditions. he was as the board of governors' professor of theology at regent college in vancouver, british columbia. he was thought to be one of the most influential evangelicals in north america. he had been the theologian emeritus of the anglican church in north america. packer was born in twyning, england.