Police are appealing for public assistance to help locate missing Officer man Ashiel Dau.
The 24-year-old was last seen leaving his Captain Street address to catch a train to Narre Warren at 1pm on Monday 15 July.
Police and family members have concerns for his welfare as his disappearance is out of character and he requires daily medication.
Ashiel is described having a slim build, short black hair and was last seen wearing blue jeans, a blue jacket and was carrying a backpack.
The below image of Ashiel has been released in the hope someone recognises him and can provide information regarding his current whereabouts.
He is known to frequent the Pakenham Library and surrounding area.
Anyone who sights Ashiel or has information on his whereabouts is asked to contact Pakenham Police Station on 5945 2500.