serviceyears branch allegiance birth_date term_end alma_mater imagesize profession term_start spouse rank image name occupation caption predecessor birth_place unit awards office successor religion article_title
1956-1995 canadian army / canadian forces canada 30 july 1937 2011 royal military college of canada mount royal university 160px soldier 1997 maryann -lrb- '' née '' laverty -rrb- general john de-chastelain . jpg john de chastelain general , diplomat john de chastelain new position bucharest , romania princess highlanders patricia 's canadian light infantry , the calgary 30px of canada -lrb- companion -rrb- 30px legion of merit -lrb- order commander -rrb- 30px order of military merit -lrb- commander -rrb- of 30px order of st. john -lrb- commander -rrb- 30px canadian the forces decoration companions of honour 30px order chairman ... of the independent international commission on decommissioning more none presbyterian john de chastelain

john de chastelain

alfred john gardyne drummond de chastelain -lrb- born july 30 , 1937 -rrb- is a retired canadian soldier and diplomat .
de chastelain was born in romania to scottish and american parents and was educated in england and in scotland before his family migrated to canada in 1954 .
there , de chastelain became a militia private and enrolled in the royal military college of canada , going on to pursue a career in the canadian army .
he was commissioned into princess patricia 's canadian light infantry and rose eventually to be twice chief of the defence staff , with a break of a year during which he served as canada 's ambassador to the united states .
in 1995 , de chastelain became active in the northern ireland peace process and eventually focused on the disarmament of paramilitary groups in northern ireland .
