Mequon-based Lakeside Development Company recently hired Dustin Melzark to its construction management team. He is a registered architect and previously worked as a project architect at Cedarburg-based Groth Design Group and as a project manager for Milwaukee-based Weas Development.
Appleton-based The Boldt Company recently promoted Jeff Johnson to group president of its central operations, located in Waukesha. He has worked for Boldt for 20 years and was previously executive vice president of human resources and risk management. He will replace John Hale, who is retiring from his position as group president of Boldt’s central operations. Hale worked for Boldt for 30 years.