Dr. Byungsung Park is working at DTRI as senior desalination expert of pretreatment systems in SWRO desalination plant. He worked at DOOSAN Water Research & Development Center, Al Khobar as Director General for 3 years and worked in DOOSAN Heavy Industries and Construction, Korea as senior researcher for 11 years. He specialized in the designs of Dissolved Air Flotation and Dual Media Filter. He designed DAF system with 50m/h of hydraulic loading rate on Doha East SWRO plant (Kuwait). He is focusing on the operation and maintenance improvements of SWRO plants to increase water production and cost savings.