FARGO, ND – Tri-State Auto Auction, Fargo reports that Ken Olson has recently been promoted to the position of territory manager. In his new role, he will supervise dealer accounts in Minnesota and Western Wisconsin for the auction. Olsen had previously worked as a stockbroker and investment advisor until “retiring” to the auction industry. He has worked with Tri-State, Fargo for the past 12 months in telemarketing.