As a teenager, he attended St. Francis de Sales Regional College in Leeton.
He then went on to attend Assumption College in Kilmore, where he played football for the Calder Cannons.
Trotter made his debut against Port Adelaide in Round 18, 2005 at Manuka Oval.
Trotter was delisted by North Melbourne in October 2007, after playing just the seven games in four years on the Kangaroos' list.
In August 2011, Trotter joined specialist financial recruitment firm Halliday Marx, based in London, as their International Candidate Manager.