He graduated from R. E. Mountain Secondary School in Langley, British Columbia and is a member of the Canadian national baseball team.

[3] On March 18, 2016, Gillies signed with the Sugar Land Skeeters of the Atlantic League of Professional Baseball.

On June 29, 2016, Gillies signed with the Kansas City T-Bones of the American Association of Professional Baseball.

On February 20, 2018, Gillies was traded from the Ottawa Champions to the Gary SouthShore RailCats of the American Association.

On June 15, 2018, Gillies signed with the York Revolution of the Atlantic League of Professional Baseball.

On the field I depend on knowing every situation, cutoff plays, where baserunners are, because I can’t always hear people yelling.

[8] After attending a bar the night of the arrest, Gillies was offered a ride to his hotel by a police officer.

Within hours[9] of the arrest, Gillies underwent drug testing and showed no traces of cocaine, marijuana or opiates in his system.

[11] Gillies said of the charges being dropped, "I’m glad that this ordeal is over, but I’m still very upset that it happened to me and that my character, which I’ve worked so hard to build, can even be questioned.