Sir David is Exec Chair, Centre for Climate Repair at Cambridge, and Partner at
SYSTEMIQ. UK Climate Envoy, 2013 – 2017, UK Government Chief Scientific
Adviser, 2000-2007, Professor of Physical Chemistry, Universities of Liverpool
(1974-1988) and Cambridge (1988-2000). Published over 500 papers on Surface
Science & Catalysis. Received many international awards and honours.