Missing Guelph-Eramosa Township man

The Ontario Provincial Police are seeking the public’s assistance in locating a missing Guelph-Eramosa Township man. 57 year-old Mark McDonald was last seen in Burlington on Friday, October 25th. His family is concerned about his well-being.
He is described as white, 5’9” tall and weighing approximately 168 lbs. He has an average build with medium length grey/white hair and a full white beard. He has blue eyes and wears glasses. When last seen he was wearing blue jeans and black boots.
Mark McDonald is driving a green 2011 Dodge pickup truck with a cap cover and is accompanied by his German shepherd dog Penny,
If you have any information on his whereabouts, contact the OPP or Crimestoppers.