Professor El-Sayed has over 300 publications in refereed journals in the areas of spectroscopy and molecular dynamics. He uses short pulsed lasers to understand relaxation, transport and conversion of energy in molecules, in solids and in photosynthetic systems. He supervised the research of 50 Ph.D. students, 30 postdoctoral fellows and 15 visiting professors.
Dr. El-Sayed is a member of the U.S. National Acadamy of Sciences and to the Third World Academy of Sciences, and a Fellow of the American Adademy of Arts and Sciences. He has served as a member of the Physical Chemistry Division of the International Union for Pure and Applied Chemistry. He was the 2002 recipient of the Irving Langmuir Award in chemical physics and of other awards too numerous to mention.
Since 1980, Dr. El-Sayed has been the Chief Editor of the Journal of Physical Chemistry and served as the U.S. editor of the International Reviews in Physical Chemistry. He was a Visiting Professor at the University of Paris; a Sherman Fairchild Distinguished Scholar at the California Institute of Technology and an Alexander von Humboldt Senior U.S. Scientist Awardee (West Germany). He was elected a Member at Large (1985), Vice Chairman (1988) and Chairman (1990) of the U.S. National Committee for the International Union of Pure and Applied Chemistry. He is a member of the Steering Committee for the International Center of Pure and Applied Chemistry in Trieste, Italy. He served as a member of the Board of Trustees of the University Associates (1989-1992). He was also a member of the Advisory Committee for the Chemistry Division of the National Science Foundation (1990-1993). In 1994, he was appointed as the Foreign Councilor for the Institute of Molecular Science, Okazaki, Japan. He is also a member of the Board on Chemical Sciences and Technology, National Research Council (1994-1997).