As a founding member of the bank's financial products division, he helped create the global market in equity derivatives; he was at the forefront of the shift East in the capital markets as one-time head of Credit Suisse's Asian and Pacific operation; and more recently he was at the centre of post-crisis thinking with his 'bail-in' proposals for resolving failing banks and his devising a bonus plan linked to the performance of heavily marked down structured products.
But as important as his achievements in investment banking, Paul was also respected and admired for remaining approachable, even as his stature in the industry grew and his schedule became ever more demanding.