He serves on the editorial advisory board for three international journals and was the recipient of the 2001 S.C. Governor¹s Award for Excellence in Science Research. In 2010, Professor Marcus was named a Fellow of the Royal Society of Chemistry (FRSC), in 2012 a Fellow of the American Association for the Advancement of Science (FAAAS), in 2016 a Fellow of the Society for Applied Spectroscopy, and in 2018 a Fellow of the National Academy of Inventors. In 2019, Marcus was awarded the inaugural Clemson University Researcher of the Year designation. Marcus has been on the Clemson faculty for 35 years, graduating 41 Ph.D. and 12 MS students.