Dr. Seyoum Gebremariam has a B.S. Physics from Addis Ababa University, Ethiopia and a M.S. degree in Environmental Science from the University of Idaho. He also earned a M.S. and Ph.D. in Civil and Environmental Engineering under Dr. Beutel at Washington State University. He has also studied meteorology in Hamburg, Germany and Pune, India. During his graduate work in the US he researched a wide range of topics including biological phosphorus removal in wastewater treatment, nutrient removal in treatment wetlands, fate of pesticides in treatment wetlands, and sorption of pesticides to aquatic sediments. He was a postdoctoral researcher at the Ohio State University where he studied how climate change affects hydrology, eutrophication and harmful algal blooms in the Lake Erie. He has published a wide range of peer reviewed papers on these topics including highly cited review articles on biological phosphorus removal and fate and transport of pesticides in the environment. Dr. Gebremariam, now an expert in remote sensing of water quality and harmful algal blooms in reservoirs, is a senior water quality manager with the Metropolitan Water District of Southern California which serves water to over 13 million residents.

Gebremariam SY, Beutel MW, Yonge DR, Flury M, Harsh JB. Adsorption and desorption of chlorpyrifos to soils and sediments. Reviews of Environmental Contamination and Toxicology. 2012 :123-175.

Gebremariam SY, Beutel MW, Christian D, Hess TF. Effects of glucose on the performance of enhanced biological phosphorus removal activated sludge enriched with acetate. Bioresource Technology. 2012;121 :19-24.

Gebremariam SY, Beutel MW, Flury M, Harsh JB, Yonge DR. Nonsingular adsorption/desorption of chlorpyrifos in soils and sediments: experimental results and modeling. Environmental Science & Technology. 2011;46 (2) :869-875.

Gebremariam SY, Beutel MW, Christian D, Hess TF. Research advances and challenges in the microbiology of enhanced biological phosphorus removal—a critical review. Water Environment Research. 2011;83 (3) :195-219.

Gebremariam SY, Beutel MW. Effects of drain-fill cycling on chlorpyrifos mineralization in wetland sediment–water microcosms. Chemosphere. 2010;78 (11) :1337-1341.

Gebremariam SY, Beutel MW. Nitrate removal and DO levels in batch wetland mesocosms: Cattail (Typha spp.) versus bulrush (Scirpus spp.). Ecological Engineering. 2008;34 (1) :1-6.