Dexter runs CDP’s program to enable major multinationals and governments to achieve sustainable supply chains, influencing over $2 trillion in annual procurement spend. Dexter's supply chain experience is extensive having worked in time-critical logistics prior to joining CDP in 2008. Passionate about harmonising reporting standards, he has lead on driving standardisation in environmental reporting. In 2013 he launched a major new initiative called Action Exchange to accelerate emissions reductions in corporate supply chains.