Leroy "Lee" Cronin FRSE FRSC is the Regius Chair of Chemistry in the School of Chemistry at the University of Glasgow. He was elected to the Fellowship of the Royal Society of Edinburgh, the Royal Society of Chemistry, and appointed to the Regius Chair of Chemistry in 2013. He was previously the Gardiner Chair, appointed April 2009. In 2022, Cronin was suspended for three months from the Royal Society of Chemistry for a breach of their code of conduct.