John Concannon is an Irish businessman, philanthropist, and star of RTÉ's The Secret Millionaire. A native of Kilconly, Tuam, Concannon is the founder of JFC Manufacturing. He left St. Jarlath's school, Tuam, at 13 to work on the family farm. In 1987, he invented the Triple Bucket, a product for feeding calves, which was publicised by Gay Byrne on RTÉ's The Late Late Show that December. The Triple Bucket helped him establish JFC Manufacturing, which over the next twenty-five years helped him become a multi-millionaire, owning factories across Ireland, as well as the UK, Poland, and South Africa.