Ofer Lahav is Perren Chair of Astronomy at University College London (UCL).
His research area is observational Cosmology.
He served as the Head of Astrophysics (UCL) 2004-2011,
as Vice-Dean (Research) of UCL's Faculty of Mathematical and Physical Sciences 2011-2015,
and as Vice-President of the Royal Astronomical Society 2010-2012.
Lahav chairs the UK Consortiums of the Dark Energy Survey and the Dark Energy Spectroscopic Instrument (DESI), as well as the DES Advisory Board.
He is a member of the Science and Technology Facilities Council (STFC) Science Board, and Co-Director of the STFC Centre for Doctoral Training in Data Intensive Science.
From 2012 to 2018, Lahav held a European Research Council (ERC) Advanced Grant on "Testing the Dark Energy Paradigm" (TESTDE programme).