Police are appealing for public assistance to help locate missing man Stephen.
The 42-year-old Wantirna man was last heard from on Tuesday 17 May around 5pm.
Police and family have concerns for Stephen’s welfare as his behaviour is out of character.
Stephen is approximately 185cm tall, with short brown hair, beard and moustache, and brown eyes.
Stephen is known to frequent the Mornington area.
Police have released an image of Stephen and urge anyone with information on his whereabouts to contact Knox Police Station on (03) 9881 7000.