General contractor The Boldt Co. (Appleton, Wisc.) has announced two new appointments.

Jenny Han has been named director of design integration for its Chicago-based prefabrication division. She has 26 years of experience in commercial and healthcare design and construction.

Beth Melchi has been named director of business development for the national healthcare sector. She comes to Boldt with more than 30 years of operational experience in healthcare, leading complex construction projects for several major healthcare systems in Indiana.