CTLGroup, an internationally recognized engineering, architecture, and materials science consulting firm has promoted Jaclyn Ferraro and Simonida Grubjesic, Ph.D. Jaclyn Ferraro was promoted to Senior Petrographer & Group Director of Concrete & Mortar Laboratories, while still holding the role of Group Director of Petrography. Ferraro earned a Master of Science in Structural and Economic Geology from the University of Iowa. Simonida Grubjesic, Ph.D. was promoted to Senior Scientist & Laboratory Manager, Analytical Chemistry. Dr. Grubjesic oversees CTLGroup’s chemistry laboratory and is a consultant with CTLGroup’s Materials Practice. She earned her Ph.D. in Organic Chemistry from the University of Illinois at Chicago.