He advises Fortune 500 firms on human rights issues and serves on the L'Oréal Global Diversity and Inclusion Advisory Board.
[27] He is a Governor of Fondation Emergence[28] and an Advisor to the Board of Open for Business and serves on the Services & Advocacy for GLBT Elders (SAGE)’s International Donor Advisory Council.
[32] During budget cuts in 2014, Houdart objected to a $94,000 bonus[33] awarded to the World Bank's Chief Financial Officer, Bertrand Badré.
[34][35] This situation escalated when Houdart was investigated[36][37] and demoted[38] following accusations of leaking official-use-only documents as part of his activism on SOGI and development.
Houdart is a descendant of jeweler and politician Louis Aucoc[44] [1850-1932] who briefly owned the Hope Diamond,[45] Orne Senator fr:Paul Fleury [1839-1931],[46] and stockbroker and impressionists collector Theodore-Charles Gadala [47] [1839-1923] whose collection included Sleep (Puvis de Chavannes), Monet’s Poste de Douaniers, Corot’s Paysage Breton, and several paintings by Antoine Vollon and Alfred Sisley[48][49][50] Gadala was Albert Maignan and Charles-Philippe Larivière’s cousin by marriage.
[53] Houdart’s grandmother was the niece of Académie Goncourt member René Benjamin[54] [1885-1948] and writer fr:Marie-Thérèse Gadala.