Don Kunhs

Bret Swan
Custom Building Products has promoted Don Kuhns to vp of finance. Previously serving as the company's director of finance, Kuhns will assume responsibility for the company's entire financial operations. He has been with Custom for more than five years.

Cesar Diaz
National Gypsum has brought five new members on board its sales/marketing team.

Jay Steck
They include Michael Blades, covering the Southeast and Gulf region; Bret Swan, Southwest region; Cesar Diaz, West Coast region; Jay Steck, Midwest and Central region; and Kelly Guinsler, Atlantic and Northeast region.

Kelly Guinsler
WarmlyYours has added Jonathan Willner as chief technology officer. Willner, a pioneer of the North American electric floor warming industry and holder of several technology patents, will be responsible for introducing new technologies across the entire line of WarmlyYours warming systems.