Changlong Wu was a graduate student with Dr. Linden at Duke from 2003-2008 and graduated with a Ph.D. in Environmental Engineering in 2008. Â During his time at the Duke he researched the development of fundamental UV reaction parameters for emerging contaminants. Â After graduation, he went on to work as an Environmental Engineer at Syngenta. Currently he is a Senior Environmental Engineer with AdvanSix.Â