Dr. Modarresi supports SCS Engineers’ Liquids Management initiative, and conducts liquids management projects throughout the U.S. He has with expertise in water and wastewater treatment and water reuse, and is experienced in designing, managing, and executing wastewater treatment systems of various capacities. Prior to joining SCS, he provided design and project management for membrane bioreactor (MBR) treatment systems. Siamak has B.S. and M.S. degrees in Chemical Engineering, and a Ph.D. in Environmental Engineering. He is a Professional Engineer licensed in California.