Dr. Hayder Abdul‑Razzak is a Professor of Mechanical Engineering at the University of Texas at Tyler. He earned his Ph.D., M.Sc., and B.Sc. in Mechanical Engineering from the Illinois Institute of Technology. His teaching covers thermodynamics, fluid mechanics, heat transfer, mechanical systems design, and applied CFD. His research focuses on computational fluid dynamics, thermal and energy systems, renewable energy, atmospheric physics, and aerosols‑cloud‑climate interactions.