Rachel Lang joined the Milwaukee office of Graef as an on-call wetland scientist. Her responsibilities include working as a field scientist on wetland projects with the company’s infrastructure group.
Muza Sheet Metal Co.
Muza Sheet Metal Co. named Sam Blanck a partner. He now is a co-owner of the company and is responsible for sales and business expansion, as well as continued oversight of the architectural design department. Blanck, senior project manager and estimator for the architectural design department, has been with the company for 10 years.
Orion Energy Systems Inc.
Stuart Ralsky joined Orion Energy Systems Inc. as senior vice president of human resources. He is responsible for human resources operations including recruitment, selection, leadership and team development and performance management. Ralsky has a bachelor’s degree in psychology and a master’s degree in labor industrial relations from the University of Illinois and a doctorate in industrial-organizational psychology from Michigan State University.