Stephen O'Brien is a Professor of Chemistry at The City College of New York and a member of the CUNY Energy Institute. He holds appointments on the Doctoral Faculty of the CUNY Graduate Center and Grove School of Engineering. Steve is a researcher in nanomaterials synthesis, properties and structural characterization: nanoparticle synthesis and self-assembly into superlattices, transition metal oxide nanomaterials, high k dielectrics/memory materials. He is published in over 90 articles as lead author or co-author in American and International research journals. Steve was an NSF CAREER recipient. He holds a DPhil from Oxford University. He completed post-doctoral research at UC Santa Barbara and later at Columbia University and the IBM TJ Watson Research Center.