David Avnir (born 1947) is an Israeli professor of chemistry at Hebrew University where he also got his education. He was awarded Israel Chemical Society Prize in 2011 and was a head of the Institute of Chemistry. Co-founder of the International Sol-Gel Society. As of 2015 he has over 360 peer-reviewed articles in print which were cited nearly 23000 times and has a Google-Scholar h-index of 69. After ending his duties as head of the Institute of Chemistry he took a position of the head of the Authority for Graduate Students in the Experimental Sciences. As of October 2014 he co-heads a laboratory at the ITMO University, concentrating on sol-gel materials for biochemical engineering and semiconductor technologies.