Born in Bendigo, Victoria, and raised in Lismore, New South Wales, Gibson was a four-time NAIA All-American at Oklahoma Christian University.

[2] Gibson made the cut at the 2014 Open Championship, where in the 3rd round he played in a group with Tiger Woods and Jordan Spieth.

Gibson chose Maximum Chances, the autism charity of tournament winner and countryman Greg Chalmers.

[6] In January 2018, an incident involving Gibson and his temporary caddie Brandon Davis caused controversy.

Playing in The Bahamas Great Abaco Classic on the Web.com Tour, Gibson was caught on camera throwing his putter headcover at Davis after the caddie had picked his ball up in a hazard – resulting in a one-stroke penalty.