query: SELECT ?item ?itemLabel WHERE {
    ?item p:P39 ?positionstatement .
    ?positionstatement ps:P39 wd:Q18887908 .
     ?item wdt:P569 ?dob .
    MINUS { ?positionstatement pq:P580 ?startdate } .
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en" } 
    } ORDER BY DESC(?dob) LIMIT 2000