Ahmad Shamiri is a Hydrogen and Ammonia Subject Matter Expert with over 20 years of global experience in the gas and petrochemical industry. He currently serves as Senior Lead Process Engineer at Tallgrass. His expertise includes design, operations, feasibility studies, and technology assessment for hydrogen (grey, blue, green), ammonia, carbon capture, and CAPEX/OPEX optimization. Ahmad holds a Ph.D. in Chemical Engineering and has authored over 60 technical papers. As a Chartered and Registered Professional Engineer, he is committed to innovation and technical excellence in advancing sustainable energy and industrial practices.