Graham Architectural Products (GAP) Curtain Wall Systems announced the addition of two associates and the promotion of a third.

Ken Schmidtchen has been hired as the company’s new engineering manager. He spent 20 years at Kalwall Corp. where he served as project engineer, staff engineer, and most recently as engineering manager. Previously, Schmidtchen also was a senior manufacturing engineer with the Voltek Division of Sekisui Chemical. In his new role, Schmidtchen will plan, lead, direct and coordinate the activities of the company’s engineering department in Merrill, Wis., including product design and testing, scheduling shop drawings and fabrication documentation. He will also provide technical assistance to the sales group as it pursues new work for the company.

Ken Boilesen has been promoted to technical services manager. In this role, he will support the company’s pursuit of major curtainwall projects and bookings. In addition, Boilesen will make sure the manufacturing group is provided with complete engineering fabrication documentation. He will provide technical and project-specific product application support to sales, estimating, architects, consultants and customers.

Additionally, Cody Loertscher has joined the company as assistant project manager. In this role, Loertscher will respond to customer inquiries, schedule project deliveries and ensure internal and external customers receive their orders, support documents and materials.