After graduating with a degree in modern languages, Cooper moved to Montserrat to teach secondary school.
"[6] In October 2010, Cooper was at Piñera's side when the last miner was hauled up in the rescue vehicle, receiving significant media attention.
[5] During the 2017 Chilean elections, Cooper supported efforts to promote evangelical candidates for public office under the Por un Chile para Cristo campaign, although he acknowledged that evangelicals were reluctant to get involved in electoral matters due to "pietistic" views that politics is a "worldly affair.
("Today there are at least 500 million legal abortions a year in the world, which means that the most dangerous place on earth is neither Iraq nor Syria, but the mother's womb.
[10] Unlike some bishops from other GAFCON-affiliated provinces, Cooper attended the 2022 Lambeth Conference, where he said conservative bishops had "ample opportunity to express Global South insistence on the 1.10 resolution regarding homosexual practice (which the archbishop re-affirmed to a standing ovation), and also to listen to those who felt same-sex marriage was a justice issue that the Church would need to learn to live with.
"[11] In 2023, after the Church of England bishops announced their approval for prayers to bless civil same-sex marriages and the General Synod affirmed the bishops' decision, Cooper joined a unanimous letter from the Chilean Anglican bishops that called same-sex blessings "a practice contrary to what is established by the Word of God" and warning that "this 'blessing' is the first step of several to finally approve the marriage of same-sex couples and at the end, the freedom of conscience that is argued so much for those who disagree and do not want to do so will no longer be respected.
[10] Cooper is completing a Ph.D. at the Oxford Centre for Mission Studies on the theology of Willis Hoover, the founder of Chilean Pentecostalism.