Syska Hennessy Group, the international engineering firm, has promoted Scott Voorhis to associate partner.
Voorhis, who is based in the Chicago office, is an audiovisual designer in the information communications technology practice.
Three of Voorhis’s colleagues were promoted to senior associate: Andrew Holdsworth, Albert Keltner, and Mark Mannarelli. And three were promoted to associate: Stephen Ahlgrim, Ryan Helsdingen, and Pei Zhengzhao.
