Guo Hua Ding was last seen on April 22, 2014, when he was discharged from Mount Sinai Hospital in downtown Toronto. His family reported him missing and the Toronto Police Service Missing Persons Unit opened an investigation, releasing a physical description: Asian male, medium build, about 5 feet 7 inches tall, approximately 201 pounds, short straight black hair and brown eyes.

Beyond his discharge from the hospital there are few public details about his movements or plans. The investigation remains open and his absence is unresolved.

If anyone saw Guo Hua Ding around April 22, 2014, in Toronto or has information about his whereabouts, please come forward with what you know.