Leader of the PMXD, Hon X. L. Duval is a Chartered Accountant by profession.  He has held several key cabinet posts in the past and was also the Chairman of the Public Accounts Committee

During his professional career, he was a founding partner of Coopers & Lybrand, Mauritius.  He then became a Partner and Business Consultant at the DCDM, representative of Andersen Worldwide SC.  In October 2000, he became Senior Partner at Nexia, Baker & Arenson, the Mauritian representative firm of Nexia International, a worldwide network of accountants and consultants employing some 12,000 professionals in 76 countries worldwide.

In 1994, he was appointed as the Minister of Industry and Tourism.  His main achievements during the short term in office have been the abolition of the death penalty and the enactment of a law relating to Mauritian nationality.  In 1998, he created the PMXD.  Following a by-election in September 1999, he was elected and became the Minister of Industry, Commerce, Corporate Affairs and Financial Services.

In the General Elections of July 2005, he was once again elected as Representative of the National Assembly in Constituency No 18 (Belle Rose/Quatre Bornes) and was subsequently appointed as Deputy Prime Minister, Minister of Tourism, Leisure and External Communications.

Hon. X. L. Duval is married and is father of three children.