Ariel Fernández Stigliano (DOB, April 8, 1957) is an Argentine-American physical chemist and mathematician. He obtained his Ph. D. degree in Chemical Physics from Yale University in record time and held the Karl F. Hasselmann Endowed Chair Professorship in Engineering at Rice University until his retirement. He was also an Adjunct Professor of Computer Science at the University of Chicago. To date, he has published over 500 scientific papers and has also authored eleven books on physical chemistry, molecular therapy, artificial intelligence, quantum theory and mathematical physics. Additionally, he holds several patents on technological innovation. Fernández is a senior member of the National Research Council of Argentina (CONICET) and the CSO of the Daruma Institute for Applied Intelligence.