Jim Calderbank, until recently the director of marketing and sales at Elkhart, Ind.-based motorhome manufacturer Damon Corp., joined diesel pusher motorhome chassis supplier Spartan Motors Inc. on Monday (May 14).

At Charlotte, Mich.-based Spartan, Calderbank is the director of motorhome sales and marketing.

In addition to motorhome chassis, Spartan assembles fire truck chassis and it is a custom builder of fire trucks and ambulances.