Kammala jumla mai zuwa: Henry ya yi aiki a matsayin memba na kungiyar Faransa ta Neurosurgery tun daga 1984, memba na Kwamitin Kasa don tantance kawar da Polio a Haiti tun lokacin da aka kirkiro shi a watan Maris na 1990, kuma shugaban sashen neurosurgery na asibitin Bernard Mevs tun daga watan Oktoba na 2014. Ya jagoranci aikin kiwon lafiyar jama'a a bayan girgizar kasa ta Haiti ta 2010 da kuma
barkewar cutar kwalara a shekarar 2012. A ranar 26 ga Maris, 2020, Shugaban Haiti Jovenel Moïse ya zaɓe shi a matsayin memba na mambobin kwamitin kimiyya 17 da aka ba su aikin yaƙi da cutar ta COVID-19 a cikin ƙasar.