Dr. Tiwari specializes in the development of novel materials, such as coatings for corrosion protection, bio-inspired biocompatible materials, hybrid materials for fiber reinforced composites, graphene films and coatings. He has invented seven international patent-pending technologies that have been transferred to industries, including a unique non-carcinogenic corrosion protection coating SiloXelTM that is targeting the $300 million non-chromate conversion coating market. He has been actively engaged in various fields of polymer science, engineering, and technology and has published several scientific peer reviewed journal papers, book chapters and books related to material science. He is an active reviewer of several leading international journals and acts as associate editor of the journal Advances in Chemical Engineering and Science.