Police are appealing for public assistance to help locate missing man Jacob.
The 26-year-old was last seen on Clairview Road, Deer Park on Sunday, 9 May about 4pm.
He is perceived to be Caucasian, 160cm tall, with a solid build and short brown hair.
It is believed he could be in the Deer Park and Thomastown areas.
Police and family hold concerns for his welfare as his disappearance is extremely out of character.
Police have released an image of Jacob in the hope someone recognises him and can provide information on his current whereabouts.
Anyone who sees Jacob is urged to contact Sunshine Police Station on 9313 3333.