Police in Bradford are appealing for information on the whereabouts of Darren Cockburn.
Darren, who is 49, and from Bradford was last seen on Tuesday, 26 January 2016.
He is 6ft tall and of medium build with short brown hair.
Mr Cockburn is believed to have travelled to North Yorkshire in his white Ford Transit Connect van, which has the registration plate YD57 OER.
Police are concerned for his welfare as he is not believed to have been in contact with family or friends since.
Anyone who sees him is asked to contact police in Bradford on 101, quoting log *436 of 28/1