Lance Semenko and Tim Kretzschmar have been promoted to senior vice presidents of Sparks-based Q&D Construction.
Semenko, who will oversee the general engineering division, joined Q&D in 1993. He previously oversaw estimating and project management in the general engineering division.
Kretzschmar, who joined Q&D in 1999, will serve as senior vice president of Q&D's building division.
He previously served as vice president of the division.