Graham Architectural Products, Curtain Wall Solutions, of Merrill, Wis., has named Ken Schmidtchen general manager and Fred Grunewald national sales manager.
As general manager, Schmidtchen will oversee the main functions of the business. He joined the company in May 2015 as engineering manager, leading, directing and coordinating the activities of the engineering department. In February 2017, he was named operations manager of the facility.
Grunewald joined the company in September 2012 as vice president and general manager. Most recently, he has been acting as the main sales contact for the business.
Grunewald has previous experience with Kawneer, Vistawall and Oldcastle Building Envelope®.