Davidovich was educated at the Pontificia U. Catolica, Rio de Janeiro, Brazil and the U. of Rochester, USA (PhD 1975). He is full professor of physics at the Federal U. of Rio de Janeiro, Brazil. He has held several visiting positions in France, Germany, USA and UK. His interests cover quantum optics and quantum information. His research has focused on the emergence of the classical world from the quantum substrate; laser theory; cavity quantum electrodynamics; quantum entanglement; and quantum metrology. He is member of the Braz. Acad. of Sci. and Foreign Associate of the US Natl. Acad. of Sci. (since 2006). He is Fellow of the Optical Soc. of Am. and of the Am. Physical Soc.. He was awarded the Grand Cross of the Natl. Order of Scientific Merit, Brazil (2000), the TWAS Physics Prize (2001), and the Braz. Natl. Prize of Sci. (2010). He was member of the Executive Board of ICSU (2011-2014). He has been President of the Brazilian Academy of Sciences since May 2016.