His body has been discovered at his Hendra home on Brisbane's northside by his partner Melissa Jackson.
The cause of death is unknown but police believe there are no suspicious circumstances.
News that makes sense
Your trusted source for staying up-to-date with the world around you. Get free daily news updates and analysis, straight to your inbox.
The 31-year-old Katsidis was due to ride AJC Australian Derby winner Shoot Out in Saturday's Cox Plate at Moonee Valley and next month's Melbourne Cup at Flemington.
More to come.
Share
