He is internationally recognized as an expert on bioremediation and biodegradation, contaminated site remediation, and microbial physiology related to the metabolism of recalcitrant compounds. He has also been an independent consultant for contaminated site remediation projects for several private clients since 2008. He has a Ph.D. in Microbiology from the University of Massachusetts at Amherst (2001), and a B.S. in Environmental Sciences from Rutgers University (1996). Prior to Clemson, he was an Assistant Professor at University of Illinois Urbana-Champaign, and a consultant at Geosyntec Consultants in Acton, MA.