Dr. Yong Kim is Technical Director at UGSI Solutions, Inc., Vineland, NJ. His technical interest includes fluid mixing and turbulence, surface chemistry, solid-liquid separation, water disinfection. He was previously employed by USFilter and Siemens Water Technologies, and has been actively involved in the activities of the Solids Separation Subcommittee of WEF. As a PhD Chemical Engineer, he has authored a book entitled “Coagulants and Flocculants: Theory and Practice,” and published over 40 technical papers. During his 32-year professional career in water industry, he has been awarded seven (7) US patents.